MasterPiece Arms MPA30T: MasterPiece Arms strives for total innovation. This Defender 9mm handgun is the traditional top cocking model with a 4.5" threaded barrel, a lever safety selector, 30-round magazine, and a black Cerakote finish. It comes with a polymer carrying case..MASTERPIECE ARMS 30T DEFENDER PISTOL - MPA30T. MASTERPIECE ARMS 30T DEFENDER PISTOL - MPA30T. SKU 130529. new. Out of stock. The Guns.com Promise.Magazine Loader for The Masterpiece Arms MPA Defender 9mm - Easy Pain Free Loading - Comfortable Grip - Durable 3D Printed Construction - Large Flanges for Thumb Relief Brand: EZMAGLOADER 4.7 4.7 out of 5 stars 47 ratingsThese are my Thee Favorite offerings from Masterpiece Arms. The MPA30t 9mm, MPA30DMG 9mm, and the MPASSTXX 45acp.MASTERPIECE ARMS 30T DEFENDER PISTOL - MPA30T Description: Guns Listing ID: 479504 MPA Defender pistol, this defender 9mm handgun is the classic top cocking model with a 5.5\" threaded barrel, a lever safety selector, 30-round magazine.Xtreme Guns and Ammo, the #1 MasterPiece Arms Dealer in the Nation, carries the full line of MPA Rifles and Accessories. Shop the huge inventory on-line, chat with us during regular store hours or call the MasterPiece Arms Pros at 832-520-2512 for answers to all of your MPA questions and needs.Kimber R7 Mako 9mm Optic Ready FDE Pistol Bundle with 5 Magazines, Holster, and Range B. $679.99 $549.99. Walther PDP Compact 9mm Optic Ready Pistol with FDE Slide and 4 Inch Barrel. $679.00 $489.99. Springfield Hellcat OSP 9mm Micro-Compact Optics Ready Pistol with Five Magazines and Viridi. $559.99.The MPA30T is a top cocking 9mm pistol with a 5.5\" threaded barrel, a 30-round magazine, and a black cerakote finish. Read the review to learn about its pros, cons, features, and FAQs.MASTERPIECE ARMS 30T DEFENDER PISTOL - MPA30T. MASTERPIECE ARMS 30T DEFENDER PISTOL - MPA30T. SKU 175659. used very good Used Price. $750.99 Out of stock. The Guns.com Promise.view products. MPAR Parts, Uppers and Accessories. view products. MPA Bolt Action. view products. Bolt Action Accessories. view products. MPA BA Chassis Systems. view products.$405.00 - Used 9MM LUGER EXCELLENT MASTERPIECE ARMS DEFENDER MODEL MPA30T THREADED BARREL Sold Location: Saint Peters, MO 63376 Sold Date: 3/25/2024 12:00:00 AM: $375.00 - Used OTHER MODEL 9MM LUGER MASTERPIECE ARMS (MPA) DEFENDER MPA30T PISTOL ONE MAGAZINE AND CASE Sold Location: Henrico, VA 23228 Sold Date: 3/17/2024 12:00:00 AMJan 30, 2024 ... Masterpiece Arms 30T defender (MPA 30T Defender). 1K views · 3 months ago ...more. Big Squeek-Guidry. 385. Subscribe.MPA30T; MPA30SST; MPA20SST; MPA930T; MPA930SST; MPA935SST; MPA930NY; MPA9300SST-X; ... Fits my MPA defender perfectly. Masterpiece Arms MasterPiece Arms 9mm 30 Round Magazine. In Stock. Factory magazine Fit: MPA 9mm Material: Durable polymer $ 24.99. Only 5 left! In stock.Machined from 6061 T6 aluminum and anodized in low gloss black, this rear stock adapter securely mounts to the rear of your Masterpiece Arms Defender with included hardware. This stock adapter allows the use of A3 Tactical's full line of modular stocks, Skelestocks, or any other stock designed for mounting to a Picatinny(1913) rail. Simple 5-minute installation.Model: Defender Series SKU: MPA30T Caliber: 9mm Luger Capacity: (1) 30 Round Magazine (1) Standard Safety Extension Barrel Length: 6" Threaded with Faux Suppressor Thread Size: 1/2 x 28 TPI Frame: Black Steel Sights: Adjustable Front and Rear Overall length: 10.5" Weight: 54 oz0. Jan 26, 2023. #28. ZA_Survivalist said: Reviving this thread.. (yeah i know) I just picked up a Masterpiece Arms MPA 30 (original design, copy of the Cobray) An amazing lack of info on them throughout the net. Apparently mine takes Sten mags (unique to the MPA30 and modified guns).. of which I was able order a few at $8 per.Description. MPA Defender Sling MPA10-S (LARGE) This sling system includes “L” Bracket, QD Plate, QD Swivel Sling Hook and Single Point Sling. This system attaches to the Lower Receiver via the existing threaded hole behind the Pistol Grip. Fits the following: MPA10T. MPA10SST. MPA10SSTX.Features. This polymer magazine is made for all MasterPiece Arms 9mm pistols and rifles. It is available with a capacity of 10 or 30 rounds. The 30-round model is made to fit any MPA gun with a Serial # which starts with B or F, as in B1234 or F5678. With older model guns, a slight modification to the mag may be required.Firearm Specificaitons. Caliber: 9mm. Action: Semi-Auto. Sights: Adjustable. Thread Size: 1/2 x 28. Magazine Capacity: 30 Rounds. Lower Receiver: Machined Aluminum. Buy Masterpiece Arms MPA Defender 9mm Pistol (MPA30T) now at Vance Outdoors. Wide selection of Masterpiece Arms Semi-Automatic Handguns for sale online today.Image Sold Item; $405.00 - Used 9MM LUGER EXCELLENT MASTERPIECE ARMS DEFENDER MODEL MPA30T THREADED BARREL Sold Location: Saint Peters, MO 63376 Sold Date: 3/25/2024 12:00:00 AM $375.00 - Used OTHER MODEL 9MM LUGER MASTERPIECE ARMS (MPA) DEFENDER MPA30T PISTOL ONE MAGAZINE AND CASE Sold Location: Henrico, VA 23228 Sold Date: 3/17/2024 12:00:00 AM $425.00 - Used 9MM LUGER MASTERPIECE ARMS MPA ...Semi Auto. Masterpiece Arms (Mpa) Mpa30T Defender 9Mm Grim Reaper. MASTERPIECE ARMS (MPA) MPA30T DEFENDER 9MM GRIM REAPER. MASTERPIECE ARMS (MPA) MPA30T DEFENDER 9MM GRIM REAPER. SKU 132091. new.MASTERPIECE ARMS 30T DEFENDER PISTOL - MPA30T. SKU 188535. used good Used Price. $479.99 ...Shooting my Master Piece Arms Defender - MPA30T 9mm Pistol with a Sightmark reflex site from 50 feet.Masterpiece Arms MPA30T 9mm 4.5" Pistol W / Barrel Extension - 30 Round Mag - Black MasterPiece Arms MPA30T: MasterPiece Arms strives for total innovation. This Defender 9mm handgun is the traditional top cocking model with a 4.5" threaded barrel, a lever safety selector, 30-round magazine, and a black Cerakote finish. It comes with a polymer carrying case.. Live in Crossroads, Tx Never been ...Machined from 6061 T6 aluminum and anodized in low gloss black, this rear stock adapter securely mounts to the rear of your Masterpiece Arms Defender with included hardware. This stock adapter allows the use of A3 Tactical's full line of modular stocks, Skelestocks, or any other stock designed for mounting to a Picatinny(1913) rail. Simple 5-minute installation.If you’re in the market for a Land Rover Defender, you’re probably already aware of the iconic status and rugged capabilities of this legendary off-road vehicle. The first step in ...MasterPiece Arms Defender 9mm 6" 30Rds Faux Suppressor MPA30T Colt King Cobra Target .22 LR 6" Stainless Steel 10 Rds KCOBRA22-SP6RFO Henry Big Boy Revolver .357 Mag 4" Blued 6 Rds Walnut Birdshead H017BDM Search. Large red circle with a black border. Featured. Benelli Super Black Eagle 3 Semi-Auto 12 Gauge 26" Black 3 Rounds 10321 ...Image Sold Item; $405.00 - Used 9MM LUGER EXCELLENT MASTERPIECE ARMS DEFENDER MODEL MPA30T THREADED BARREL Sold Location: Saint Peters, MO 63376 Sold Date: 3/25/2024 12:00:00 AM $375.00 - Used OTHER MODEL 9MM LUGER MASTERPIECE ARMS (MPA) DEFENDER MPA30T PISTOL ONE …Seller Description For This Firearm. Firearm: Masterpiece Arms Defender MPA30T Caliber: 9mm Capacity: 30 + 1 Rounds (1 Magazine) Barrel: 5.5" Details: Ships with the original carrying case.This is the Grim Reaper version of the ever-popular MasterPiece Arms MPA30T. The lower receiver on this model is machined from aluminum resulting in a Lighter weight pistol with …A MASTERPIECE ARMS DEFENDER MPA30 MPA30T pistol is currently worth an average price of $504.38 new . The 12 month average price is $496.15 new The new value of a MASTERPIECE ARMS DEFENDER MPA30 MPA30T pistol has risen $2.46 dollars over the past 12 months to a price of $504.38 .The MasterPiece Arms Defender delivers exceptional performance in a lightweight, versatile, and reliable pistol platform. It comes chambered in 9mm with a 5.5 inch barrel. Features include adjustable sights, a lever safety, and a 30 round magazine. Buy guns online for the best price from GrabAGun today! $499.99.MasterPiece Arms MPA30SST 9mm Pistol. MasterPiece Arms has taken the classic MAC Pistol design and modernized the platform. The MPA 30SST gives you mounting options for optics and accessories as well as a threaded a barrel if you would like to add a muzzle device or suppressor. The MPA 30SST also comes with a fake suppressor to protect the ...Firearm Specificaitons. Caliber: 9mm. Action: Semi-Auto. Sights: Adjustable. Thread Size: 1/2 x 28. Magazine Capacity: 30 Rounds. Lower Receiver: Machined Aluminum. Buy Masterpiece Arms MPA Defender 9mm Pistol (MPA30T) now at Vance Outdoors. Wide selection of Masterpiece Arms Semi-Automatic Handguns for sale online today.The Masterpiece Arms Defender is American Made The MPA Defender Top Cocking Semi Automatic Pistol is an excellent firearm for defensive and recreational shooting applications. The MasterPiece Arms Defender comes with a 4.5" Threaded Barrel, Lever Type Safety Selector, and is CNC precision machined for enhanced performance.General Manufacturer Product Information. Very nice MPA Defender 9mm. Includes a single 30rd magazine. A few minor scrapes on the screw on faux suppressor. Reliability, ease of use, and ...Masterpiece Arms MPA30T Defender 9mm Pistol, Back MPA30T - $399.99 (Palmetto State Armory) Updated: 11/6/2023 (7 months ago) MasterPiece Arms strives for total innovation. This Defender 9mm handgun is the traditional top cocking model with a 5.5" threaded barrel, a lever safety selector, 30-round magazine, and a Cerakote finish. It comes with a ...50,199. May 19, 2019. #21. ZA_Survivalist said: Reviving this thread.. (yeah i know) I just picked up a Masterpiece Arms MPA 30 (original design, copy of the Cobray) An amazing lack of info on them throughout the net. Apparently mine takes Sten mags (unique to the MPA30 and modified guns).. of which I was able order a few at $8 per.MPA20-09 Made to fit the following guns: MPA30T, MPA30SST, MPA30SST-X, MPA20T, MPA20SST, MPA20SST-XMasterPiece Arms MPA Defender MPA30T 9mm pistol. Enter your maximum AutoBid amount. No Reserve! No international shipments. The above prices on this item reflect a 3% cash/check discount. This discount is not valid for credit card purchases. Add 3% to the total cost for credit card purchases. The seller of this item assumes all responsibility ...MPA Side Folder Assembly with Stock – Full Size Steel Frame – 9mm/57. $ 129.99. 7 in stock (can be backordered) Add to cart. SKU: MPA9300-53SFA Categories: Rifle Stocks, Accessories. Description. Aluminum lowers have serial number prefix FX or FJ. Steel frame lowers have serial # prefix B, F, J or V. Side Folder Assembly Including:MPA20-15 Made to fit the following guns: MPA22T, MPA22SST, MPA30T, MPA30SST, MPA30SST-X, MPA930T, MPA930SST, MPA930SST-X MPA20T, MPA20SST, MPA20SST-XMasterpiece Arms MPA30T-A MPA30 9mm semi automatic pistol. 30 rounds of Winchester whitebox 9mm rounds in less than 2 seconds bump fire.http://www.masterpie...MPA BA Mount/Rings Picatinny Rail. $ 49.99. 46 in stock (can be backordered) Add to cart. SKU: BAC-BA MOUNT RAIL Category: BA Mount Accessories. Description. This Picatinny rail is designed specifically for the new style MPA BA Mounts and BA Rings. The rail is attached to the front cap and secured with a male boss (fits into the female pocket ...MPA30T & MPA30SST/DMG Pistols When you purchased your MPA Defender Series weapon, you purchased the most reliable weapon in its class. MasterPiece Arms spent more than one and one half years engineering, testing and re-testing our weapons to provide you with one of theDescription. Polymer Magazine for DMG Models Only. This Product WILL NOT ship to these states: California, Colorado, Connecticut, Hawaii, Maryland, Massachusetts, New Jersey, New York, Delaware and Vermont. This Glock Style magazine fits the following models: MPA930DMG, MPA20DMG, MPA30DMG, MPA935DMG. Round Capacity is 17 Rounds.The MasterPiece Arms Defender delivers exceptional performance in a lightweight, versatile, and reliable pistol platform. It comes chambered in 9mm with a 5.5 inch barrel. Features include adjustable sights, a lever safety, and a 30 round magazine. ... MasterPiece Arms MPA30T 9mm 6" Threaded Barrel Top Cocking 35 Rounds - $469.99. $469.99.This pistol was on my bucket list. Found it in stock and headed to the range.Correction: The mag probably isn't too short but rather the grip too long...Com...Masterpiece Arms Defender 9mm Police Trade-In Pistol with Foregrip. $499.99. Brand: Masterpiece Arms. Item Number: FX14874. Online shopping from a great selection of discounted 9 MM guns for sale by Masterpiece Arms for sale at …SHOOTING LIKE THIS CAN BE VERY DANGEROUS!this video was just to show how bump firing is done. DO NOT ATTEMPT!!Installing the Defender DMG Grip. The DMG grip is a Glock-compatible grip for MPA that cost about $100. Extra mags for the standard MPA 30 run around $30 so the upgrade is worth it for me. I dislike owning 50 different types of magazines so the more guns that use the same mag the better. Glock magazines have become the most popular brand for ...MASTERPIECE ARMS (MPA) MPA30T DEFENDER 9MM GRIM REAPER. SKU 46780. new. Out of stock. The Guns.com Promise. Guns.com pledges to make gun buying easy, to support local gun stores, and to serve our ...Our buffer tube thread cap can be bolted to the rear threaded holes on the newer model MPA 9mm defender series weapons. Must have the (3) threaded holes on the rear of the receiver. This part can be used for Mil spec and commercial threaded buffer tubes and also brace tubes. we include (3) 8/32 socket head bolts and a small 10/32 set screw to help …The used value of a MPA DEFENDER pistol has risen $101.82 dollars over the past 12 months to a price of $483.75 . The demand of new MPA DEFENDER pistol's has fallen 50 units over the past 12 months. The demand of used MPA DEFENDER pistol's has risen 4 units over the past 12 months. Estimated Value *Using 80% condition for calculating …After several requests for a solution to use Sig 1913 braces and stock and SBA Tactical braces and other 1913 mounted hardware with the Masterpiece Arms MPA MPA30T MPA57DMG MPA30DMG MPA30SST MPA30TGR 9mm mac 10 clone weapons. We decided it was time to build one for our local customers and for you to buy.MPA EVG Grip (Enhanced Vertical Grip) $ 39.95. 9 in stock (can be backordered) Add to cart. SKU: MPA EVG Categories: Chassis Body Accessories, MPA Bolt Action, Cool Misc. Accessories. Description. Our new injection molded vertical grip is designed for the MPA BA Chassis system. The grip design includes a true vertical interface with the rifle ...Description. MPA Defender Sling MPA10-S (LARGE) This sling system includes “L” Bracket, QD Plate, QD Swivel Sling Hook and Single Point Sling. This system attaches to the Lower Receiver via the existing threaded hole behind the Pistol Grip. Fits the following: MPA10T. MPA10SST. MPA10SSTX.Masterpiece Arms Defender 9mm NIB MPA30T $499.99. Current Stock: QTY: Add to Cart Add to Wish List. Create New Wish List; Item Description Details Shipping Information Caliber: 9mm Luger; Action: Semi-Auto, Blow Back; Magazine: (1) 30-Round Tapco Polymer Magazine; Frame ...Masterpiece Arms Defender Series PistolsIn a Heartbeat - Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0http://creativeco...📲 Subscribe to @ColionNoir Here: http://bit.ly/3OTkrgBhttps://www.sdi.edu/cnoir/When I picked up the Master Piece Arms Defender, I wasn't expecting much. I ...6 in stock (can be backordered) Add to cart. SKU: MPA9000 Categories: Defender Series Replacements, Replacement Parts Tags: mpa30sst-x, mpa30t, mpa30sst. Description. Cannot Ship to CA or NY. MPA9000. 1/2 x 28 thread. Made to fit the following guns: MPA30T, MPA30SST, MPA30DMG, MPA30SST-X.Masterpiece Arms Defender MPA30DMG 9mm Pistol (Glock Magazines Accepted) $750.00; In Stock Brand: Masterpiece Arms; Item ... Item Number: MPA30T; Masterpiece Arms Defender M11-9SA 9mm Top-Cocking Pistol $393.00; Notify Me When Available; Brand: Masterpiece Arms;The EZ Accuracy MPA Backplate is available now on the EZ Accuracy website. Currently, it retails at $39.95 and has free shipping. EZ Accuracy also offers completed MPA30DMG and MPA30SST with both the backplate and braces being installed by their in-house gunsmiths. Guns purchased and shipped from EZ Accuracy are …General Manufacturer Product Information. Very nice MPA Defender 9mm. Includes a single 30rd magazine. A few minor scrapes on the screw on faux suppressor. Reliability, ease of use, and ...Nov 3, 2022 ... Comments1 · MPA DEFENDER. THE MAC 11 CLONE. · MPA30T Review (Mac 10) · MPA30SST DEFENDER initial impressions · MPA Defender The Great Va...$427.49 - new mpa30t masterpiece arms, 30t, defender, pistol, semi-automatic, 9mm, 6" barrel, threaded steel, black, iron sights, safety extension, 30 rounds, 1 magazine, fake suppressor included 804879268574 sold location: columbus, ga 31907 sold date: 2/20/2024 12:00:00 am: $560.00 - new 9mm luger masterpiece arms mpa30t-gr 9mm new! penny ...The MasterPiece Arms Defender comes with a 6" Threaded Barrel, Lever Type Safety Selector, and is CNC precision machined for enhanced performance. New and seasoned shooters will be equally impressed with the performance of the MPA Defender! Specifications and Features: MasterPiece Arms Defender Top Cocker MPA30T Semi Automatic Pistol 9mm LugerMasterpiece Arms 30T Defender Pistol Mpa30T; MASTERPIECE ARMS 30T DEFENDER PISTOL - MPA30T ...Description. Cannot Ship to CA or NY. MPA9023. 9mm Side Cocking Full Size Upper with 4 1/2" Threaded Barrel (1/2 X 28) and Scope Mount. This upper will fit with any 30 series pistols (30T or 30SST). Does NOT include bolt assembly. For complete upper & bolt assembly please purchase the Special Parts Kit >>>linked here<<<.This Defender 9mm handgun is the traditional top cocking model with a 5.5" threaded barrel, a lever safety selector, 30-round magazine, and a Cerakote finish. It comes with a polymer carrying case. ManufacturerThe MasterPiece Arms Defender comes with a 6" Threaded Barrel, Lever Type Safety Selector, and is CNC precision machined for enhanced performance. New and seasoned shooters will be equally impressed with the performance of the MPA Defender! Specifications and Features: MasterPiece Arms Defender Top Cocker MPA30T Semi Automatic Pistol 9mm LugerDescription. Cannot Ship to CA or NY. MPA9023. 9mm Side Cocking Full Size Upper with 4 1/2” Threaded Barrel (1/2 X 28) and Scope Mount. This upper will fit with any 30 series pistols (30T or 30SST). Does NOT include bolt assembly. For complete upper & bolt assembly please purchase the Special Parts Kit >>>linked here<<<.Masterpiece Arms Defender MPA30DMG 9mm Pistol (Glock Magazines Accepted) $750.00; ... MPA30T; Masterpiece Arms Defender M11-9SA 9mm Top-Cocking PistolBuy a top cocking 9mm pistol with a 5.5\" threaded barrel, a lever safety selector, and a 30-round magazine. The Defender has a Cerakote finish, a polymer carrying case, and a lifetime guarantee.Learn about the history and features of the MPA 30, a semiautomatic pistol based on the MAC-10 and M11/9 submachine guns. See how it handles, shoots, and compares to other MAC-style pistols.The MPA30T is not just a firearm; it's a compact marvel designed to elevate your shooting experience. Armed with a 4.5" barrel, threaded in 1/2×28, and accompanied by one 30-round magazine, this Defender stands ready for duty.Simmons Sporting Goods. $549.99. Free Shipping over $99, $10 Flat Rate under $99. details. The MasterPiece Arms Defender delivers exceptional performance in a lightweight, versatile, and reliable pistol platform. It comes chambered in 9mm with a 5.5 inch barrel. Features include adjustable sights, a lever safety, and a 30 round magazine.Description. MasterPiece Arms strives for total innovation. This Defender 9mm handgun is the traditional top cocking model with a 5.5" threaded barrel, a lever safety selector, 30-round magazine, and a Cerakote finish. It comes with a polymer carrying case. Palmetto State Armory Stocks a wide variety of firearms for everything from self-defense ...Read Me: More than ***30%*** of our contributing community access reddit via a 3PA. And another significant portion access via old.reddit (33% of our desktop users) something that is absolutely next on the block.Thread Protector. Available in 1/2-28 or 5/8-24 Knurling subject to changeDescription. MPA9086. Length: 3″. Thread Size: 3/4 x 10 & 1/2 x 28. Made for MPA30T, MPA30SST & MPA30SST-X Pistols. (Will not fit MPA Carbines) To determine barrel thread size please use: serial number prefix V, F, FJ, FX02001 and later all have 1/2-28 threads. all B prefix and Serial numbers FX0000- FX2000 have 3/4-10 threads.Semi Auto. Masterpiece Arms (Mpa) Mpa30T Defender 9Mm Grim Reaper. MASTERPIECE ARMS (MPA) MPA30T DEFENDER 9MM GRIM REAPER. MASTERPIECE ARMS (MPA) MPA30T DEFENDER 9MM GRIM REAPER. SKU 132091. new.Weight : 54 oz. Frame Finish : Black Parkerized. MasterPiece 30T Defender 9mm, 6" Threaded Barrel, Black Cerakote, 30rd. MasterPiece Arms MPA30T-A. The lower receiver on the MPA30T is now machined from aluminum. The pistol is lighter weight and has built in features such as a QD flush cup for single point slings and a stock interface for .... [Pistol] Masterpiece Arms Defender Top Cocking TB 9mm Pistol 5.5"MPA1-10 Made to fit the following guns: MPA10T, MPA10SST, MPA10SST-X The used value of a MPA DEFENDER pistol has risen $101.82 dollars over the past 12 months to a price of $483.75 . The demand of new MPA DEFENDER pistol's has fallen 50 units over the past 12 months. The demand of used MPA DEFENDER pistol's has risen 4 units over the past 12 months. Estimated Value *Using 80% condition for calculating used Values.Summary: Walt Rauch’s review of and rating for the MasterPiece Arms MPA30SST-A pistol, including a range report, photos, pricing and specs.(Click here to see all of Rauch’s handgun reviews.). Editor’s Review The MPA30SST-A pistol with an Insight Technology MRDS Mini Red Dot Sight mounted. The MasterPiece Arms (MPA) 30SST-A … The used value of a MPA DEFENDER pistol has rise MASTERPIECE ARMS DEFENDER FEATURES. MasterPiece Arms strives for total innovation. This Defender handgun in 9mm is the traditional top cocking model with a 5.5" threaded barrel, a lever safety selector, 30-round magazine, and a Cerakote finish. The MasterPiece Arms Defender comes with a polymer carrying case. MASTERPIECE ARMS DEFENDER ...Masterpiece Arms recommends using factory ammunition which meets SAAMI specifications for our 9mm, 45 ACP, 5.7x28mm & 5.56 x 45mm. For our weapons that are chambered for 9mm & 45 ACP, we recommend using FMJ ammo, which is consistent with the ammo type designed for the original MAC platforms. +P ammo is acceptable, however +P+ is not recommended ... Masterpiece arms magazine fix...
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