Mac11 upper

The 9mm upper is machined for maximum weight reduction, slim profile, and compatibility with bolt catches and lower receivers. The upper is also built with a tapered multi-material 4-piece trunnion system to maintain mechanical accuracy and durability. The MAT-9™ 9mm AR upper is compatible with AR-9 Lower receivers in any double-stack ...

3DMAC - Mac 11 Side Cocking... $144.99 Quick view MAC11 Upper - Complete. $359.84 Quick view Velocity VMAC45 Upper ...DIY Box Tube MAC-11. Here is a neat little design for a very simple homemade M11 clone sent in. It is assembled mostly from pieces of steel box tube and bar stock telescoped together. The prototype shown was built as a non-firing display model with a dummy bolt and barrel for legal reasons, though it perfectly demonstrates how a …Details. This download includes working models for the M11 9mm upper receiver body. Fits 3D Printable Mac 11 9mm frames as well as standard receivers. File Types Available: Solidworks, Step, Parasolid, and STL 3D printer ready. Compare Products. My Wish List. M11 9mm Upper This download includes working models for the M11 9mm upper receiver body.One Cerakoted Mac 11 Upper Receiver. One Mac 11 Bolt Assembly. One Mac 11 Charging handle. Related Items. Quick View. Glock Magazine Release Spring (3 Pack) $5.00. In Stock. (0) Add To Cart Add to Cart. Quick View. 1/2x28 Thread Protector. $8.25. In Stock. (0) Add To Cart Add to Cart. Accessories. Quick View. Ubertechnik AR Grip.When the upper-level MAC wants to transmit a packet wirelessly, there are a few steps: The upper-level MAC enqueues a packet into any of a number of outgoing wireless transmission queues. It performs this step by calling a function in the MAC High Framework. Because the process by which a transmit queue is emptied depends on the upper-level MAC ...

Mac 11 Charging Handle-These fluted charging handles are perfect for your Mac 11 build. Turned from high quality steel and Manganese Phosphate coated. ... Mac 11 Complete 11.5" AR Handguard Upper Receiver Assembly (Cerakote) $405.00. Out of Stock. (0) Add To Cart Add to Cart. Quick View.The MAX-11Sk upper receiver can be used with the M-11/9 submachine gun. NFA rules apply to the use of this upper with a semi-auto pistol upper receiver, due ...The MCR060 is a robust, ergonomic and lightweight upper receiver assembly that is designed to fit MIL-Spec quality AR-15, M16 and M4 type lower receiver assemblies. Once fitted to the host firearm's lower receiver, the MCR060 provides an individual operator with the firepower of a US M249 Squad Automatic Weapon (SAW) at one-half the weight of ...One Cerakoted Mac 11 Upper Receiver. One Mac 11 Bolt Assembly. One Mac 11 Charging handle. Related Items. Quick View. Glock Magazine Release Spring (3 Pack) $5.00. In Stock. (0) Add To Cart Add to Cart. Quick View. 1/2x28 Thread Protector. $8.25. In Stock. (0) Add To Cart Add to Cart. Accessories. Quick View. Ubertechnik AR Grip.Details. Original Cobray Mac-11/9 hammer pin, in *Good* condition. Sold Individually. These are great replacement parts for your M-11! May show some signs of wear, marring, scratches, surface rust, etc... More Information.Mac 11 Complete 11.5" Barrell Upper Receiver Assembly (Cerakote) 1) Our Aves Engineering Mac11 Upper receivers are made from laser cut blanks precision bent on CNC press brakes to ensure precise shape and size. Coupled with our machined trunnions and 11.5" manganese phosphate coated barrels they form the perfect upper receiver of unmatched quality.

The new seat will be installed on its Airbus A350 aircraft. UK-based airlines have long offered premium cabin experiences behind the competition. Virgin Atlantic, for one, is hopin...The Lage upper, on the other hand, appears to truly be a MAC-type upper that is designed to accept a number of standard AR15/M16 parts (e.g. barrels and bolts) simply for the sake of economy (lower R&D costs, cheaper replacement parts, etc.).THE ORIGINAL MAC-11.NET WEBSITE HAS BEEN UNAVAILABLE FOR QUITE SOME TIME but was an outstanding reference for MAC owners, ... SWD M11A1 with LAGE MAX-11A/9 upper, LAGE wraparound grip, ACE AKFX folding stock with LAGE adapter, Burris Fastfire III red dot sight, KNS pushbutton takedown pin, Magpul AFG2 foregrip, Carlson …The bolt definitely has to be steel to get the weight right and for strength reasons. Ease of machining. Also because brazing stuff using alumaweld is significantly easier than brass brazing or welding. It really isn't difficult to make a mac upper from box steel, an angle grinder will do pretty much all the cuts well enough. Take a file to it ...

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MAX-11S mk2 Pistol Upper Receiver #432. $525.00. Side cocking upper receiver for the M-11/9 Semi-Auto Pistol. Features a full length accessory rail on top and bottom. Made from 6061 aluminum and finished in black, hard coat anodize. 8-3/8" barrel threaded 1/2-28 at the muzzle with flash hider installed. Cocking piece is non-reciprocating.From Lage Manufacturing: This upper receiver converts your full auto M-11A1 or M-11/380 into a rifle caliber machinegun. It is chambered in 5.56 x 45mm but it is also compatible with .223 Remington ammunition. Rate of fire is between 730 and 815 RPM, depending on ammunition used and the gas setting of the Odin Works adjustable gas block.yeah. try to find a Mac11 upper .. omg.. not even possible. fucking glonk 9 slides.. piece together for 800.. fuuuu.. easiest upper to get nowadays remains an AR15. ... (No affiliation). If anyone gets wind of an AB 10 or Mac 11 kit PLEASE share! Posted: 2/20/2021 10:47:00 AM EDT [#7] Im waiting on filament for a G69 print and was looking for ...Resurrected an older Mac 11 upper, turning this 9mm smg into a poor man's SAW Share Sort by: Best. Open comment sort options. Best. Top. New ... Romad816 • not quite, its an older alliance armament upper. The lage's are much more streamlined and quite a bit lighter. This alliance upper is too damn big and heavy for any sort of practical use ...Cobray parts, M-11, M-11 SMG, cobray m-11, replacement, M-11 parts, M11 parts, Mac-11 parts, Cobray m-11 parts, SWD M-11, m-11 guns, m11 parts kits, m-11 accessories, M11 magazines, recoil springs, bolt assembly, fire control parts, barrels, neoprene buffers, triggers magazines, 9mm magazines, steel magazines, high capacity magazines, side …New M-11 9mm side cocking upper includes a 3/4x10 threaded barrel with side EZ cocker, new low Integral machined rail for optics and additional adjustable front and rear sights. The side cocker makes it easier to pull back the bolt and accommodates lots of room on top of the scope rail for your optics of choice.

Some early models broke under recoil but it's been strengthened and at least one of the big failures had print defects. Note that that failure saw the frame around the upper break and release the bolt out the back of the upper, but because the charging handle goes through the upper itself the bolt didn't leave the gun and didn't hurt the user.The SWD M11/Nine submachine gun is approximately 1.9 pounds lighter (unloaded) than the original 9mm and .45 ACP Model 10. The sheet metal of the M11/Nine upper receiver is the same thickness as the M10, the lower receiver is .027-of an inch thinner, its receiver is .44-inches narrower, and its height .63-inches shorter than that of …Having some fun with the odd little MAC-11. ----- ----- Hickok45 videos are filmed on my own private shooting range and pr...11.5' 5.56 / .233 BARRELED UPPER - MAS NERO 11' M-LOK HANDGUARD FLAT DARK EARTH FDE. A4 Upper Receiver. 4150 CMV Nitride or 416R Stainless Steel Barrel. M4 Ramps. MAS Defense Nero 11' M-LOK Handguard. .750 Low Profile Steel Melonite Gas Block. Carbine Gas System.Tag: mac11×. June 6th, 2018. [PROPS] Mac 11. by pierre richard. 375190. SOLIDWORKS 2015, STL, Rendering, 24 per page. The GrabCAD Library offers millions of free CAD designs, CAD files, and 3D models. Join the GrabCAD Community today to gain access and download!If it is a semi-auto M-11 then it is most likely closed bolt unless you purchased a early RPB open bolt model made prior to April 1982. The quickest way to tell if you gun is open or closed bolt is the next time you shoot the gun watch the bolt. If the bolt slams shut after every shot with out having to pull the trigger it's a closed bolt. If ...These upper receivers are designed to be used with the M-10/9 or M-10/45 submachine gun. NFA (National Firearms Act, Title 26, United States Code) rules apply to their use and possession. It is the owners/users responsibility to comply with all local, State and Federal laws and regulations in the use of these products.5.7x28mm Side Cocking Upper with Scope Mount & Side Charger; 4 1/2'' 1/2X28 Threaded Barrel quantity. Add to cart. SKU: MPA9023-1 Category: Uppers and Conversion Kits Tags: mpa30t, mpa30sst, mpa30 series, MPA9086, MPA30T-73. Description; Cannot Ship to CA or NY MPA5723.

One, it involves using essentially a three hand operation for installation or removal - holding the upper and lower aligned and together, depressing the pin button, and pushing the pin in or out. To make it a two hand operation, I have used a 3/8" dia. x 3/8" long cylindrical rare earth magnet to hold the pin button in.

Friends, we’re back to challenge you with more stair exercises. Last week we worked our upper body with stair pushups; today’s focus is a lower body workout. Friends, we’re back to...Subject: Re: Denix Ingram MAC-11, metal, dummy Tue Jul 19, 2011 2:21 pm. Here's a comparison between Denix (darker) and MGC (lighter) Ingram MAC11 models. 01) upper receiver and bolt (MGC top) 02) upper receiver underside (MGC top) front section has slightly different details.The MAX-11/15 upper receivers are made of 7075 aluminum and feature a PTFE Impregnated Type III black anodized finish. The top Picatinny rail is 12-3/4″ long and has the same height over the bore/stock axis as the AR-15 flat-top upper receiver rail which makes it perfect for attaching AR-15 height scopes and iron sights.My full-auto M-11 only shoots one round at a time or only burst. There are a number of reasons why your M-11 may be doing this. A. Worn Sear – Very Common. B. Worn Trigger Spring – Not Common. C. Worn Disconnector Roll Pin – Not Common. D. Worn / Malformed Trigger Frame – RARE. E. Malformed Receiver - RARE.Using a Square Carbon Fiber tube, printed jig, printed tools, dremel, hardware store nuts, Oem Bolt and Barrel, ar15 fgc, Glock mags. : r/fosscad. A community dedicated to the …Any mac11 DIY upper on the sea or in beta? comments sorted by Best Top New Controversial Q&A Add a Comment. BarbenCAD • ... Presents DIY Mac upper. Developed by DurbanPoisonPew, Heywoodyabuzzoff and 3D_OA.Number of Products to Show. View All Per Page. M-11 380 acp SMG Individual Parts - FTF Industries Inc specializes in MAC Cobray RPB SWD Parts & Accessories, AR15/M16 & AK47 Parts and accessories, Tactical Automatic Knives, Advanced Technology ATI Shotgun Stocks, Gunsmith's Tools & other very unique items.We would like to show you a description here but the site won't allow us.Introducing the DIY Mac11 Upper. Using a Square Carbon Fiber tube, printed jig, printed tools, dremel, hardware store nuts, Oem Bolt and Barrel, ar15 fgc, Glock mags.

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A community dedicated to the discussion of 3D printed guns and related topics. Mac Daddy 2.0 with binary trigger = certified blaster. My range would not allow that 😩. There is a Fudd just offscreen having an aneurysm. This range is cool and if you have your gun under control they don't really care what you do haha.Features. AR57 16" Complete ULT M-LOK Upper, AR57 Mfg, Factory new. Comes with a 16" lightweight barrel with M-LOK rails. This AR57 Upper Receiver Assembly converts any AR-15 lower to a rifle capable of shooting 5.7x28 ammunition. The unique upper design loads from the top and ejects downward through the AR-15 mag well.Barrel - M11/9 4 1/2″ long 1/2 x 28 Threaded Barrel. $ 99.99 - $ 119.99 Select options. 5.7x28mm Side Cocking Upper with Scope Mount & Side Charger; 4 1/2'' 1/2X28 Threaded Barrel quantity Add to cart SKU: MPA9023-1 Category: Uppers and Conversion Kits Tags: mpa30t , mpa30sst , mpa30 series , MPA9086 , MPA30T-73 One Cerakoted Mac 11 Upper Receiver. One Mac 11 Bolt Assembly. One Mac 11 Charging handle. Related Items. Quick View. Glock Magazine Release Spring (3 Pack) $5.00. In ...Barreled Upper Receivers Complete Replacement Parts Sets Barrels M16 Full Auto Replacement Parts Muzzle Attachments .308 Parts & Accessories ... COBRAY M11 9mm or 380 or M10 45 or 9mm STRAP & HANGER ASSEMBLY (Fits All 1" Barrel Lug) No Logo Code: ET-ACSH-NL Inventory: In Stock Regular Price: $44.99These upper receivers are designed to be used with the SWD, RPB or MAC M-11A1 submachine gun. NFA (National Firearms Act, Title 26, United States Code) rules apply to their use and possession. It is the owners/users responsibility to comply with all local, State and Federal laws and regulations in the use of this product.(RTTNews) - Coty (COTY) reported that its third-quarter core LFL sales growth is tracking at 10%, reflecting an acceleration from the 7% core LFL ... (RTTNews) - Coty (COTY) report...DIY Box Tube MAC-11. Here is a neat little design for a very simple homemade M11 clone sent in. It is assembled mostly from pieces of steel box tube and bar stock telescoped together. The prototype shown was built as a non-firing display model with a dummy bolt and barrel for legal reasons, though it perfectly demonstrates how a compact ...3D Printed Mac 11 Tutorial Part 1: Parts and Tools Needed. 5. 0. 2754 Views. In General. In this video, we'll give a quick update on my 3D printed Mac 11 and show you what you'll need in parts and tools to build your own. This is a sub $300 3D printed gun, and an easy starter build for anyone looking to get into the world of 3D printed guns. ….

Like the MAC 11 they are made of a formed sheet metal lower receiver containing the trigger mechanism and square tube upper receiver, housing the barrel and bolt assembly. ... The upper receiver is already welded, head spaced and has an a manganese phosphate finished IAW 5.3.1.2 of Mil-STD-171, the U. S. governments recommended protective ...Lage Industries offers a precision cut replacement buffer manufactured from 1/4-inch thick neoprene designed to fit both the M-10/45 and M-10/9. The Mk2 upper has a Picatinny style rail for mounting optics. Mounted is the MD-06 red dot from Primary Arms. A well-built rugged sight for an economic price.50 Retainer. 51 Stock Latch Plunger. 52 Stock Latch Compression Spring. 54 Receiver Block. NI Not Illustrated. Numrich Gun Parts Corporation. 226 Williams Ln. Kingston, NY 12401. 866.686.7424.As is true of nearly every successful 20 th century machine gun with the exception of the HK MP5, the MAC-11 fired from an open bolt. Specifications include a barrel length of 5.08 inches, overall ...These upper receivers are designed to be used with the SWD, RPB or MAC M-11A1 submachine gun. NFA (National Firearms Act, Title 26, United States Code) rules apply to their use and possession. It is the owners/users responsibility to comply with all local, State and Federal laws and regulations in the use of this product.Looking for a Mac 11 upper. Can be complete or not. Let me know! Read More . Like Reply. MSG. Portland. Messages 28 Reactions 14. Jan 24, 2024 #2 PM incoming . Like Reply. O. Owenator. Vancouver, WA. Messages 72 Reactions 49. Jan 24, 2024 #3 If you can't find one here, check out Lage Manufacturing . Like Reply. JTK1791 ...MAX-11 mk2 Upper Receiver #500. $875.00. Slow fire upper receiver for the M-11/9 SMG. 670, 690, 770 and 950 RPM rates of fire available. Features a full length accessory rail on the top and integrated foregrip with accessory rail on bottom. Mounting points on sides for additional accessory rails. Side cocking, reciprocating charging handle on ...We would like to show you a description here but the site won't allow us. Mac11 upper, Machine Pistol MAC-11. The Ingram Military Armament Corporation Model 11, M11 (A1) is a subcompact machine pistol developed by American gun designer Gordon Ingram at the Military Armament Corporation during the 1970s. Allowed commercial and non-commercial use. . TGA textures and V-Ray scene: -link removed-. No category set., The Freedom Co Mac Upper is a printable MAC-11 upper design. The printable upper shell is combined the following parts to complete the upper: MAC-11 bolt. MAC-11 barrel. 2x Freedom11 trunnions by 1776 Supply. Allthreads, lock nuts and other hardware. A complete build kit containing all required hardware listed above, as well as the hardware for ..., These upper receivers are designed to be used with the SWD, RPB or MAC M-11A1 submachine gun. NFA (National Firearms Act, Title 26, United States Code) rules apply to their use and possession. It is the owners/users responsibility to comply with all local, State and Federal laws and regulations in the use of this product., The Military Armament Corporation Model 11, officially abbreviated as "M11" or "M-11", and commonly known as the MAC-11, is a machine pistol/submachine gun developed by American firearm designer Gordon Ingram at the Military Armament Corporation (MAC) during the 1970s in Powder Springs, Georgia, United States. The weapon is a sub-compact version of the Model 10 (MAC-10), and is chambered to ..., This unit consisted of an entire barreled upper receiver that you just swapped with the existing upper receiver. Talk about a fast firing gun, these conversions literally poured brass from the ejection port. ... In fact it is the same size as the Mac-11 in .380. The gun is semi-auto with no provision for a shoulder stock and has a 5 inch barrel ..., Oct 2, 2014 · When the upper-level MAC wants to transmit a packet wirelessly, there are a few steps: The upper-level MAC enqueues a packet into any of a number of outgoing wireless transmission queues. It performs this step by calling a function in the MAC High Framework. Because the process by which a transmit queue is emptied depends on the upper-level MAC ... , Magpul MOE Stock Assembly with End Plate (for use with Monolithic Stock Adapter) #751. $72.99, MAX-11S mk2 Pistol Upper Receiver #432. $525.00. Read More. MAX-11k Upper Receiver #509. $875.00. Read More. MAX-11k Mod 1 Upper Receiver #526. $875.00. Read …, Current version: REV0.1.X This is a MAC-11/9 Upper Receiver reference model produced in the same manner that I put together my G19 Gen 3 Slide reference model. All measurements were taken from a physical and functional MAC-11/9 upper receiver assembly (regrettably of unknown origin) with a Grade A granite plate, height …, 3DMAC - Mac 11 Side Cocking Upper. Side charging M-11 Upper compatible with all 3DP M11 Upper based models. Available with 3/4 and 1/2-28 threads or only 1/2-28. Chambered in 9mm. Choose the bolt option for a complete upper! Side charging handle included in bundle. All our Kits are backed by our 100% Quality Guarantee., Introducing the production version of the Grey Ghost Upper Receiver for the M11/9 SMG designed by Mike McManus. This upper receiver is the perfect host for the Vegas SMG slow fire CF-W Bolt or stock bolt. It is completely made of steel with full length Picatinny Rail on top, an Ace Style grip out front, a flash hider with barrel threaded to 1/2 ..., Calico Mac M-11 .22LR Conversion Kits Where designed to allow the Mac Enthusiast to have the ability to have a Higher Capacity Magazine at his disposal. This Kit Designed for Open Bolt Full Auto and Open Bolt Semi Auto’s NO SLOW FIRE SEMI AUTO’s all you need to do is just pull off your original Upper & Drop ours on Cock it and Let it rock. , The Upper East Side of Manhattan is a vibrant and bustling neighborhood known for its luxury residences, upscale shopping, and world-class museums. However, one aspect that can dam..., The printed part is the reciever. The upper is the top half of a Mac-11. Google V Mac. The uppers are like $200-250 to complete as either that Mac variation or the Mac daddy. Reply reply. MattytheWireGuy. •. A lot of people have started appealing convictions due to AR recievers not having the bolt, barrel and FCG in the same PART and are ..., 1. The M-11/22 kit (the one I have) is designed to be used in the STOCK Cobray/SWD upper receiver, and uses the stock sights (or whatever aftermarket sights/upper you have installed). 2. The MAX-11/22 conversion is designed to be used with Lage's MAX-11/9 upper receiver conversion (which adds length, reduces rate of fire, includes picatinny ..., Mac 11 Stripped Upper. Thread Starter MarkRichards; Start date Feb 26, 2023; Tags mac mac 11 mac11 stripped stripped mac 11 upper stripped upper upper Status. This ad is no longer active. View more ads here. Share M. MarkRichards. Portland, OR. Messages 9 Reactions 10. Feb 26, 2023 #1 Ad Type. For Sale; Price $100 Manufacturer Other / Not ..., , Cobray FMJ SWD Leinad M-11/9 9mm Semi Auto Parts - FTF Industries Inc specializes in MAC Cobray RPB SWD Parts & Accessories, AR15/M16 & AK47 Parts and accessories, Tactical Automatic Knives, Advanced Technology ATI Shotgun Stocks, Gunsmith's Tools & other very unique items., This is a FACTORY NEW Semi-Auto VMAC9 Side Cocking Upper Kit manufactured by Velocity Fire Arms. This kit includes everything that is pictured, (Upper, Bolt Assembly, and Side Cocking Handle. , Tags KWA MAC 11 M11a1 SMG Rail system amp tracer adapt... , , , Download: free Website: Thingiverse. add to list Tags KWA M11A1 ... Tags El_Duches M11 Upper Jig , , , , , , Download: free Website: Cults. add to list Tags Free Mini Mac 11 with pop on ..., This document brought to you by www.MAC -11.info CF-W SlowFire Bolt Congratulations on the purchase of your new CF-W SlowFire Bolt! You've made a wise decision. In its standard form, the M-11/Nine by SWD can be one of the ... upper with slight friction – but not using excessive force. Check the tubing for size. It should be close to this:, Available on backorder. Add to cart. SKU: specialparts30t-1 Category: Uppers and Conversion Kits. Description. Cannot Ship to CA or NY. This includes the following: Full Size Side Cocking Upper with Scope Mount and with 9mm 5″ Barrel (1/2-28 tpi threads) Full Size 9mm Complete Bolt Assy. Receiver Pin Set (1 inner and 1 outer pin), Features. Barrel: 11.5" Nitride finished chrome moly vanadium barrel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a carbine-length gas system. Barrel is finished off with a classic carbine-length handguard, F-Marked gas sight base, and A2 flash hider. Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat ..., Transferable SWD Mac-11 with Lage Max-11 upperSee all the pictures from this shoot at the new UziButton Facebook firearms gallery at... https://www.facebook...., Description. This is an original OEM Top Cocking Upper Receiver complete with the reinforcement ribs, small ejection port and Cobray© Logo. The only modification from the original design is the inclusion of the hole for the barrel roll pin in the trunnion. We found a limited and old supply of the original sheet metal body and front sight and ..., Mac 11 bolts . Does anyone know where I can find a complete mac11 bolt I need it for testing with the box tube mac11 upper. Share Sort by: Best. Open comment sort options. Best. Top. New. Controversial. Old. Q&A. Add a Comment, Lage Manufacturing has announced the upcoming roll out of their new MAX-13C and MAX-10/31K upper receives for the M-11/9 and M10 patterns.. Lage Manufacturing states "The highly requested shortened Suomi Drum Uppers for the M-11/9 and M-10 will be finished soon!. At approximately 2-1/2″ shorter than the original drum Uppers, they make a great host for use with a suppressor., Details. This download includes working models for the M11 9mm upper receiver body. Fits 3D Printable Mac 11 9mm frames as well as standard receivers. File Types Available: Solidworks, Step, Parasolid, and STL 3D printer ready. Compare Products. My Wish List. M11 9mm Upper This download includes working models for the M11 9mm upper receiver body., Cobray FMJ SWD Leinad M-11/9 9mm Semi Auto Parts - FTF Industries Inc specializes in MAC Cobray RPB SWD Parts & Accessories, AR15/M16 & AK47 Parts and accessories, Tactical Automatic Knives, Advanced Technology ATI Shotgun Stocks, Gunsmith's Tools & other very unique items., 200 chars left. Description. This is an original 1972 Cobray® OEM design with the top cocking feature and barrel. Upper Receiver design is complete with the reinforcement ribs and Cobray Logo. The only modification from the original design is the inclusion of the hole for the barrel roll pin in the trunnion. All Receivers will ship Raw. , If you don't know how to remove your bolt from your gun please refer to the M-11 Field Strip tutorial. MAKE SURE YOUR GUN IS UNLOADED BEFORE DOING THIS!!!!! Steps 1 through 3. Step 1. A. Bolt. B. Extractor. C. Firing Pin Retainer. D. Firing Pin. E. Ejector Rod., This unit consisted of an entire barreled upper receiver that you just swapped with the existing upper receiver. Talk about a fast firing gun, these conversions literally poured brass from the ejection port. ... In fact it is the same size as the Mac-11 in .380. The gun is semi-auto with no provision for a shoulder stock and has a 5 inch barrel ..., Sep 12, 2022 ... I am proud to announce the the 3D Printed Mac 11 Upper! Along with the frame to go with it! The Obsidian!!! Love love love this build and I ...