*Sig Sauer MPX & PISTOLS 13.5x1 LH to 1/2x28 RH Thread Adapter Female 13.5x1 LH to 1/2x28 RH, machined steel, coated in durable black oxide. But having tested and reviewed both guns, the MPX is better in every single way. 9mm barrels have a double standard, I'll grant you that, but it's usually 1/2x28 or 1/2x36. other than apparent price point), but it looks like theyre involved with the lower receiver as well. $149.90. You get what you pay for. The factory 8 barrel was ok. From a rest I would get 2-3 inch groups at best, my AR9 shoots sub 1 inch groups from the same setup. (12) 12 product ratings - Sig Sauer Factory Replacement 3.9" Barrel Sig Sauer P229-1 E2 9mm - BBL-229-1-9. The MPXs advantage is that it can be made into a very small package by using the smallest barrels IF they become available. It does all the same things that the MPX does, but with a little less swagger. Only logged in customers who have purchased this product may leave a review. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Theres also a NFA version for those who dont want to engrave their MPXes, FYI.. Of course, the volume is significantly higher for that. The muzzle device is pinned and welded. Instead of aluminum and steel, the Scorpion is mostly plastic. I like it, Ill buy one. Buy a couple for your AR15(if you have one), and see for yourself. Please click on the "Important Information" tab, where you can find out more information regarding magazine restrictions. Tried with Sig SRD9, Octane 9, and Omega 36M but nothing was satisfactory. 30 Round Magazine
The MPX is a nancy-boy design meant to look cool in the hands of carpet dwellers on Instagram. , Christmas is coming up and I have been a very good boy. Ensure a tight fit of your muzzle device with the adapter. [Review] Sig MPX Copperhead | Best Sig MPX Version? - Lynx Defense These are interchangeable with SIG's other MPX guns. OEM SIG Fullsize 4.7" Barrel P320/ P250 357 Sig Full .357 Sig DLC (5) 5 product ratings - OEM SIG Fullsize 4.7" Barrel P320/ P250 357 Sig Full .357 Sig DLC $174.99 mushroom-capsules Magazines. Weight.10 lbs . Oh, and theres a rubber dealie on the rear of the lower receiver to keep the metal gubbins from beating themselves to death. Sig and Timney Triggers teamed up to develop the perfect straight single stage trigger to compliment this carbine. We all voted for it. Thank you Rob. So turns out the AR-15 trigger compatibility may not be so straightforward: http://www.stevejenkins.com/blog/2015/06/will-upgrading-the-sig-sauer-mpx-to-an-ar-15-trigger-void-your-warranty/. Please contact us directly if you have any questions pertaining to transaction procedures or details concerning the Firearm being purchased. Cant wait until my stamp comes back for the AAC can I bought for it. I wonder what ever happened to the Brgger & Thomet MP9 civilian variant: the TP9? In contrast, the MPX Carbine has a 14 barrel with a pinned and welded flash hider bringing the overall barrel length to 16 to avoid Federal classification as a Short Barrel Rifle (SBR). At least this review is one of the more thorough ones, if not the most unquestioning. 9mm 3 Lug Barrel Adapters - Griffin Armament - 62mm is the stock extension length for Sig Sauer . I knew Lancer was making the magazines for this (awesome! At any rate, yeah, its very subjective. http://thetruthaboutguns.com/author/foghorn/, State Judge Issues Order Blocking Enforcement of Illinois Firearms Ban Act Statewide, 3 Evidence-Based Ways to Prevent School Shootings (That Dont Involve More Gun Control), El Paso Homeowner Shoots Home Invader After the Intruder Shot the Mans Dog, http://www.thetruthaboutguns.com/2015/03/jeremy-s/lancer-systems-l15-lower-receiver/, http://www.g6r799q2s20nnzuavhuh974405v3r9i0s.org/, psilocybin-azurescens-buy-magic-bmushroom. Sig Sauer MPX-K 9mm 4.5" SBR, Black, Collapsible Stock, Sig Sauer MPX 9mm 8" SBR, Black, Collapsible Stock, Sig Sauer MPX PSB 8" 9mm Pistol, 30 Round, Sig Sauer Vertical Foregrip, Keymod, Black, Sig Sauer MCX / MPX Folding M4 Stock, 1913 Interface, Black, Sig Sauer MPX 9mm 20 Round Magazine, GEN II, Sig Sauer MPX 9mm 30 Round Magazine, GEN II, Sig Sauer MPX 9mm 10 Round Magazine, GEN II, Sig Sauer MCX / MPX Folding and Telescoping Stock, 1913 Interface, Flat Dark Earth, Sig Sauer MCX / MPX Folding and Telescoping Stock, 1913 Interface, Black, Sig Sauer MCX / MPX Thin Folding Stock, 1913 Interface, Flat Dark Earth, Sig Sauer MCX / MPX Thin Folding Stock, Black, Sig Sauer MPX / MCX Collapsible Stock, Black, 1101 Mason Circle Drive
Pevely, MO 63070
Mon-Fri 8:00am - 4:00pm CST, 2023 Midwest Gun Works, Inc. - All Rights Reserved. I just got the Form 1 approval this morning to turn my CZ Scorpion Evo pistol into an SBR (and am a WA resident). To find out we took the MPX out into a wet and cold Georgia morning to do some accuracy and reliability testing. Dude what on earth is it with the rifle of the year thing that bothers people? The PCC boasts QD sling points; on both the right and left portions of the stock as well as the 6 o'clock position at the back of the receiver. No creature with red blood pumping through its veins is color blind. buy-flakka The bolt carrier group is attached to a set of springs, which recoil against the rear of the receiver and push the bolt back into battery. Gen-2 MPX-type replacement Drop-in Barrel & Gas Block assembly: Barrel assembliesare available in 10 or 14.5 and 16.25 with 1/2-28 concentric threads for suppressor use or attaching a muzzle brake/flash hider or other muzzle device of your choice Thread protector is included. The CZ looks like shit compared to this btw. Zero failures of any kind during my first range session. Stamped and welded receivers are no longer the state of the art design feature they once were. I wish glock would make something like these already, with the trigger of their pistols. Very glad the price is coming in lower than, $1500; HKs MP7 is gonna be destroyed by this thing once aftermarket conversions in PDW calibers start getting out there. buy-ak47 (Would anybody bet that there wont be more MPX ammo issues when customers start playing in other untested operating conditions?) This is unquestionably a 5-star firearm for customization capability. . I see one on GB. Outstanding product. Also that the rifling only goes 8 1/2 inches up and the rest is essentially a tube. - If you want the barrel shortened note length in the comment section at checkout. Second Media Corp., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Offer Amount $ . Ready to serve Every aspect of the SIG MPX firing system has been rigorously designed and tested. psilocybin-mushrooms Normally that stuff would get thrown out of the muzzle and the shooter wouldnt even notice it (unless they were being shot, and then they still might not notice it for other reasons). Threads 508,983 Messages 9,384,331 Members 50,823 Latest member dee yoo. The MPX is pretty freaking sexy looking, and the AR-15 trigger, safety, and grip are pretty huge factors in my mind. I am sure the MPX is good, but this review screams fanboy hype train. Apparently, the trigger has been improved in these later shipped models. That would be pretty awesome. Some states have legal restrictions for the purchase of items so we need to ask for your location. (verified owner) December 6, 2020, I ordered the 8 Gen 2/3 ILWT MPX barrel in August. Ill still consider picking up an MPX though, and either doing a Form 1 on it (4 bbl w/ 10 handguard exactly as Nick mentioned, so I can run the Liberty Mystic underneath the handguard for that integrally suppressed look) or, better, buying the version thats already integrally suppressed from the factory and counts as a 16 bbl because of it. Insurance is optional and separate, there is a box at the bottom of the checkout page where you can accept or opt out of the insurance. This is an interesting thread about the Sig and what it likes. Our Price: $13.00. It is the responsibility of the purchaser, to check your local laws before ordering products from Midwestgunworks.com. Got a 6.5 ILWT barrel with tri-lug and adjustable gas. Even my PWS Mark 114 is Made Better than That, its a long stroke piston rifle and the upper lower dont have so Much play between them that you can see a whole bunch of light Like that Pathetic New SIG MXC , The CZ scorpion is beginning to show up in metro Atlanta. Anyone who would trust SIG with their hard earned money needs a helmet and and orange safety vest with their name an address pinned to the back in case they get lost and need to be sent home. It looks cool, but not $1400~ cool. Not much of an issue even though it runs super filthy. I hand load my ammo and I could not get the accuracy any better. Geez, does anyone buy this review?? Im stunned that people still trust SIG after they turned a promising weapons system like the SIG556 into complete garbage by switching from Swiss and US sourced parts to junk from the lowest Asian sweatshop bidders just a few years ago. I might actually recommend getting a replacement 10 handguard for the 8 pistol for those who own pistol silencers, as the handguards are big enough for a typical silencer to fit underneath. Sig MPX 16in Barrel conversion - Pistol Caliber Carbine - Brian Enos's Is that a direct translation of a saying in another language? chuckcarternc A lot! dmt-powder. Correct me if Im wrong, and then Ill get one! The prices on 5.56 NATO have been fluctuating wildly over the last few years, but no one has seriously presented any proposals to ban standard handgun ammunition. I would recommend if you ever plan on shooting suppressed to pay the extra cash for adjustable gas block. tjxtqgcfc http://www.g6r799q2s20nnzuavhuh974405v3r9i0s.org/ Service your Sig MPX with quality OEM and aftermarket parts/components to ensure a solid performance from each and every shot. Now just waiting on my longer hand guard to go over my suppressor (omega 36m). It was designed in 2013 and was released to the general public in 2015. So the price on this is more than Im willing to pay for. gag. 5 5/8 Barrels are the perfect length for adding a tri lug to the Copperhead K model but work with all MPX configurations. I could see the gas piston setup being slightly quieter suppressed due to a longer delay before the action opens, but the Scorpion is quieter than I expected, probably due to the substantial mass of the bolt. This MPX rifle from Sig Sauer is chambered in 9mm and boasts a full 16" carbon steel barrel with M13.5 x 1 threading and ships with a 3 chamber compensator for reducing muzzle jump / recoil. It will beat the shit out of a gun with a fixed barrel. So do sten mags. Go time how long it takes to swap the barrel off your upper. Great barrel, it actually fits tighter than the OEM Sig barrel, which is awesome! The reason is that the weight of the gun and the length of the barrel make it awkward and heavy to maneuver in the confines of a home or apartment. We fired hundreds of rounds through the production guns and thousands of rounds through the pre-production versions without a single issue. , Ill buy one of course but I may wait until the cool factor is gone a little because you know the problem is going to be hyper high prices because so many people want it. Muzzles; Receivers; Miscellaneous; AR10. Save Compare. So company name, location, caliber, serial number. Neither ILWT, LLC nor this website are affiliated in any manner with, or otherwise endorsed by, SIG SAUER, Inc. We use the tightest of tolerances and highest quality control. This system allows the gun to operate normally, even when the stock (and/or brace) is folded, and eliminates some of the weight of the gun by chopping down the overall length of the bolt carrier. If youve shot a PCC left handed, you will quickly see the advantage of NOT having a blowback system. Griffin Armament Unveils Bushwhacker 46 Universal . Even though the gun probably deserves it, this seems like a very kiss-ass biased review. Esp. Description. Sig Sauer Rifle Muzzle Device Collar . I want one but after how hard it was to get any parts for the new P320, I think Ill wait a couple years till the version 2 is out and production of the extra barrels catches up with demand. As for handguard lengths, there will be a 4 option for the MPX-K version, a 8 handguard for the 8 pistol, and a 10 handguard for the 16 rifle. The UMP is 5.2lbs, and the Colt SMG is 5.8lbs. Threads will be concentric to the bore. 9mm AR pistols are basically recoil free. Well..I can swap the barrels out pretty fast on a typical AR, for less than the MSRP of the MPX. Also, will this also be a cabelas exclusive for the initial release like the mxc? I've been getting mixed info on this topic. 2) So the MPX action is going to handle more types of ammo than the CZ? For the best experience on our site, be sure to turn on Javascript in your browser. While 9mm is a perfectly adequate cartridge, there are still plenty of shooters that prefer a more substantial caliber. It includes four 30 round Sig (not Lancer) mags with it. (verified owner) June 4, 2022. Add to Cart. I already have a Tirant 9S and a Tirant 45, either way, I have to buy a conversion piston with a 13.51 left hand twist for the Tirant 45 and a 9mm 13.51 LHT piston for the Tirant 9S. Sig Sauer Parts | Gun Accessories - OpticsPlanet (verified owner) June 1, 2022. Actually, the MPX pistol is heavier than the MCX pistol. mossberg-930-spx-pistol-grip-for-sale, Gun Review: SIG SAUER MPX Pistol The Truth About Guns I'll see if there's any online info that I can actually find with my weak ass Google fu. I have not shot it yet but surely the groups will improve even more. With the ILWT barrel and .0469 plug it will shoot about an inch at 25 yards which is a vast improvement. Save Compare. SIG SAUER isnt a magazine company, so they asked the best in the business to make it happen and the result is not only functional but beautiful. The gun looks great, shoots great, and feels great. They said the same thing about the Sig 556XI but so far its turning into another ACR. . If I were to purchase a 9mm home defense gun and wanted to make the most of the real estate that I was provided with, I would want a firearm that is fed through the grip. Id still contend that the simplicity of the innards of the CX makes it easier to clean. Thread Adapters | Suppressors | Silencers - Capitol Armory No other NFA items are, though (no machine guns, no Short Barrel Shotguns, no destructive devices, etc). MPX SBR is 4.8 lb, I almost bought the New SIG MCX rifle with 2 different barrels from Cabelas for $2,299 but when I saw how much PLAY and how much Light I could see between the upper and lower on a YOU TUBE video I Decided that Piece OF SH_T Rifle Aint going to get a Red Cent from ME !!! I hope to own an MPX also! Otherwise the MPX barrels are 13x1 metric. Product Info for SLR Synergy Sig MPX 9mm Mini Compensator, 13.5x1 LH Thread Features/Specifications: Synergy Mini Compensator 9mm. Its always easier to sell a bigger, louder, flashier gun than one which is just right for our uses but costs about the same to make. And its a year late. SIG chose Lancer for the MPX magazines and Im super jazzed about the choice as well, even at $55 a pop. I have an early MPX Gen 2. (verified owner) August 8, 2022. Sig MPX Copperhead 9mm, 4.5 Barrel, Polymer Grip, M-LOK Handguard, No Brace, 20rd $ 1,999.99. That was using the OEM sights and sort of braced up on a bench (not sandbagged). I run a good old trigger slappin 9mm Colt so I dont have any preconceived bias towards/against either of them. I dont know if Beretta does it better, but the CX4 Storm is available from Botach for $579.00 with five PX4, 17 round magazines and free shipping. Sent to Sig for an accuracy test, they replaced both the barrel and the bolt for free + shipping (good on them) but again, the moment a tri-lug went on, accuracy went to hell. Sig MPX Copperhead 9mm, 4.5" Barrel, Polymer Grip, M-LOK Handguard, No Or if I wanted to buy a barrel that wouldn't work with the gun, a Gen 2 16in barrel for $600 Sig sold me pretty good on this MPX when it first came out. If you have questions or wish to share information and have Facebook you can join this group HERE. It points well and feels good. Its more complex than the EVO. The MPX PCC has a 16 threaded barrel with a three-chamber compensator. The Pakistani-made semi-auto H&K MP5 pistol is a 100% officially licensed copy of the original, and works identically to the real deal. I was so happy with this arrangement that I then purchased the 4 tri-lug with adj gas for my MPX FDE Copperhead. Fit, finish and accuracy is incredible !!!! The stock also has a strap mount in it's design. We do not and will not ship firearms internationally. I did get one with my MCX Rattler though. Expensive, but this is the only gun that takes them (for now), and as more people buy the gun the price should come down as well. Brian Malek In fact, just like the pre-production MPX that weve been playing with for months, the gun ran without a single issue. Rated 4.93 out of 5 $ 129.99. All of those people will be correct, though, because its subjective. Itll be an SBR fairly soon. buy-tianeptine-online Im not very impressed With the MPX at that price point, especially with how terribad Sig has been on launch products in the past. I understand why its more expensive than the Scorpion and the price difference seems justified. Has anyone seen evidence of these unicorns hitting the market beyond what was announced here on TTAG? Though being blowback, it does kick a bit more than the MPX would. ALL RIGHTS RESERVED. Price on new replacement magazines? Restricted in some areas . I am thinking it had less than 4,000rds through it? You could also go the route of purchasing a carbine conversion upper for Glock handguns but that requires the use of a Glock handgun and the total cost doesnt end up being much less expensive. Specifications: SIG SAUER MPX Pistol Caliber: 9mm Action: Semi-auto Barrel: 8 Weight: 6.1 lbs Length: 26.37 Inches Magazine: Two 30-round magazines included MSRP: $1,648 with brace, $1,378 without Ratings (out of five stars): Accuracy: * * * * * For an 8 barrel pistol caliber carbine, this is pretty awesome. Shipping rates vary according to geographical location and final value of Firearm being purchased. Pricy remedy is to buy an ILWT RH threaded barrel. All these amazing features make it one perfect casual outerwear to get compliments from your fashion friends. It was a Cadillac ride when I got my turn before lunch but it didnt even make it to the end of the day before being pulled off the line. Since JavaScript is disabled, you will not be able to properly navigate, add items to your cart, or place an order. Parts listed here are crafted for the Sig Sauer MPX carbine platform chambered in 9mm unless noted otherwise. The SIG MPX Copperhead black with a threaded barrel is the latest addition to the MPX line. Are they going to offer a true 16 carbine version of this or what? I understand that Im probably a minority in this respect, and Sig did take care of me at every turn, so I can respect that. SBR ownership is legal in Washington State. Im just guessing, as Ive never had mine fail on me. The side-mounted bolt catch, AR style safety, and push-button magazine release are staples of every modern infantry weapon design, and in an effort to keep the training as simple as possible they incorporated these same controls into the MPX. Excellent service, excellent product. Yeah, they are expensive, and proprietary(in the case of the MPX), but so worth the money. Sig Mpx Pcc | Sig Sauer A Streamlight TLR-1HL and some extra mags will round out the perfect home defense weapon. P320 COMPACT, CARRY GOLD 9MM THREADED BARREL, NO LCI, 4.6IN . With the 7.72 barrel of the CZ Scorpion Evo, Ive found that a couple of 147 grain ammo brands that I assumed would remain subsonic often dont. Has an 8 inch barrel threaded 13.5x1L with an In Lead We Trust trilug adapter. drugloftpharma.com My 9-10 inch groups shrunk down to 1.5-2 inch groups at 25 yard. This means that normal flash hiders and muzzle devices will not fit, which is both good and bad. Midwest Gun Works WILL NOT replace high capacity magazines with state compliant magazines. I have an MPX, and if that means Im biased and unable to give an objective, positive comment, then please stop reading this now and skip straight to the accusations of me being-a-shill-for-Sig. At least it ships with two of them. SIG MPX barrel thread adapters can be found at: 5/8x24. No regrets buying the 6.5inch, perfect length for velocity but not being too long once suppressed, js.christensen Midwest Gun Works only recognizes City Police Officers, County Sheriff Deputies, and State Police (including Highway Patrol) as L.E.Os. Thanks Sig Sauer for allow us all to become your beta testers for only $1800 or so ! I just tried it and found that I can change my 11.5 5.56mm upper with my 9 300BLK upper in about 10 seconds. Honestly, you shouldnt expect any rifle/carbine shooting 9mm with a price point over a grand to sell well. The gun clocks in at $1,400+ retail (NOT MSRP) without the brace and $275 more with a brace, so already the retail price of the gun is higher than the MSRP of the MPX. Since the majority of the variability is in the vertical component rather than the horizontal, I get the feeling that the ammunition (Federal 115 grain standard ammo) is to blame, and the gun is capable of much better accuracy with better ammo. This magazine provides optimal feeding and a reliable construction. I had to soak mine in water. Why not? Please check your State, County, and City laws for restrictions before ordering. It wasnt selected by TTAG, it was selected by the folks who read TTAG and chose to vote. The P226 is an accurate pistol. Its a short barrel AR that shoots 9mm on a gas operated system. Sig MPX install of Sig muzzle brake - Pistol Caliber Carbine - Brian a full-length rifle is pretty much the worst choice for a home defense firearm. This product is restricted in some areas. Im a strong believer that a full-length rifle is pretty much the worst choice for a home defense firearm. While I was excited when this was first announced, its taken far too long for it to come to market. magic-truffles My favorite part of the article is, But really, for anyone thinking of buying one, did you actually want to shoot anything other than 9mm? Especially if you use it LEGALLY, and dont shoulder the brace. best-place-to-buy-guns No. Glen Sakai Additionally, itll be easier to keep ammo subsonic. I bought the 6.5 inch and was not disappointed. Add to cart. IMHO. They also said SIG has no current plan to offer the MPX in any other caliber as of late Dec. 15. Tearing down an MPX and seeing all of the flimsy, proprietary small parts tells me that the MPX is not worthy by todays engineering standards. http://soldiersystems.net/category/weapons/. Sig Sauer OEM Gen II Extractor Now let us take an educated look at the much derided and misunderstood M13.5-1LH. You will not want a piston. Before this product is shipped your FFL Dealer must email or fax a valid FFL to Midwest Gun Works. http://www.botach.com/beretta-cx4-storm-9mm-patrol-carbine-w-five-17rd-px4-magazines/. BUT and heres where the but comes in it is a blow-back, which means that when you put a suppressor on it, the extra back-pressure created by the silencer pushes a lot of unburned powder, debris, smoke, and grit from the ejection port. Thanks to our friends at SIG SAUER we here at TTAG were given exclusive access to the first ever production MPX, as well as full access to their teams collective knowledge and expertise. We use cookies to give you the best possible user experience & to analyze traffic. . The rear of the MPX has a Picatinny rail cut into it, allowing you to mount basically whatever you want. Are Sig suppressors just as good as the rest? Low Stock. The gun looks awesome, has some killer features, and seems to be well built, but the real test is whether the gun runs out in the real world. Also, the 1/2-28 thread pitch is great if you are looking to add a muzzle device because 13.5-1 LH is sometimes difficult to find. Item Relisted! FS/FT Sig MPX 8 inch barrel | The Outdoors Trader Also, Robs customer service is amazing. And yes, Im posting this just to poke fun at his marksmanship and for no other purpose. The MPX listed weight is wrong. so get this amazing Feel The Beat Hoodie Moreover, it has a hoodie-style collar with a pullover front closure and rib knitted cuffs to hold your wrist. They are not going to get cheaper without competition. Im curious how a BG full of holes will be able to tell the Po-Po how the gun was held . I would like to have the new one ready to install, pin and weld when I remove the old muzzle device. . Their website says the flash hider on the MPX carbine is pinned and welded as it must be non-removable to make the required 16 inches. Sig Sauer M17 Elite Ball 9mm +P 124gr. Have them make you a fixed 13.5X1 LH piece that replaces the piston booster. Optic is a sig Romeo 4H, sights are Magpul mbus, and the light is a streamlight with a tape switch. My Scorpion dislikes hollow points. Heck, back in the 1980s you couldnt swing a dead cat without running into a movie or TV show where the gun was being used in some manner. The decision on SIG SAUERs part is that rather than keeping the gun on hold indefinitely, they have decided to release the Version 1 of the MPX available only in 9mm with no guarantee that 40 S&W and .357 SIG will ever work in it and have a Version 2 available sometime next year with all the bells and whistles. Add to cart. Since JavaScript is disabled, you will not be able to properly navigate, add items to your cart, or place an order. I felt sorry for customer service more than anything, because they tried their best to help me and I can appreciate that. It is of precision billet construction, 6" in length, about 1.15" in diameter weighs about 7.5 OZ, with a knurled thread head and finished in matte . i liked them when they were first introduced, but the price is a turn off for me. It includes four 30 round Sig (not Lancer) mags with it. You will loose 1/2 and inch of barrel but you can make up for that with the new muzzle device you are making up. The stock of this firearm telescopes to 5 positions and folds to the side. Check out the suppressor thread adapters Capitol Armory has in stock and available for purchase online. The gun is iconic, used by military and law enforcement agencies worldwide. METRIC to U.S. - Barrel Adapter Thread Converter M13.5 x 1 LH (female buy-magic-mushroom-penis-envy-strain (verified owner) January 9, 2021. No signs of the MPX. Purchased the 6.5 barrel with adjustable gas block for my Sig MPX K. Was just so frustrated with the factory 4.5 barrel when shooting suppressed. As far as cost, the Cabelas MSRP is $2300 for the MCX versus $2000 for the MPX, but you get two calibers versus one, respectively. The muzzle device is pinned and welded. Gare. Id really only go the Form 1 route instead of buying the factory SBR to save time use the gun in the meantime, get the stamp back in like 50 days, rather than waiting for transfer from Sig to dealer, then 90+ days for Form 4 from dealer to me, and not being able to play with the gun that whole time . Sure, 300 Blackout and 5.56/.223 ammo costs more than 9mm, but it has been shown that a 22LR conversion kit can be made to function in the MCX, which Ill try next. JavaScript is disabled. Take off the Sig/KB blinders, theyll still send stuff for T&E. Sig MPX PCC Review - Guns and Home Defense The CZ is a great pistol and I am very excited about the 922r compliant stock to convert to a SBR. This includes cutting/crowning as well as threading. I heard they maybe M13.5 x 1 LH but need to know for sure. Uzi mags work. Posted: 6/28/2020 7:07:13 PM EST [#5 . JavaScript seems to be disabled in your browser. I will feed it a steady diet of 147 JHP subsonic ammo from now on. Down Range Products 9mm M13.5 x 1 Left Hand Barrel Thread Protector. Black.