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Step up to an exceptionally maneuverable defensive and close-quarters powerhouse engineered to bring heavy intermediate-bore performance into an incredibly compressed personal defense weapon (PDW) envelope. The P2A PATRIOT 5" 7.62x39 Micro-Length Melonite M-LOK Pistol is a fully assembled, factory function-tested complete firearm built to deliver massive downrange kinetic impact and unfailing mechanics right out of the box. While standard custom sub-compact rifle caliber builds frequently suffer from failure-to-feed geometry, shallow primer ignition, and erratic bolt cycle patterns, this model cleanly resolves every classic engineering hurdle. By pairing a precision 5-inch 4150 CMV steel barrel with a custom-tuned micro-length gas operating system and an **enhanced extended firing pin**, it delivers absolute ignition reliability across standard hard-primer military surplus loads or modern tactical ammunition selections. The optimized chamber parameters of the **7.62x39mm cartridge** achieve explosive kinetic footprint expansion even in compact envelopes, yielding an exceptional short-range punch. Featuring a lightweight free-float M-LOK rail and robust mil-spec lower parts execution, this turnkey AR pistol completely eliminates assembly stress and building frustrations. Proudly 100% designed, machined, and precision-assembled in the USA with a Pro2A Tactical Lifetime Factory Warranty.
| Caliber Compatibility | 7.62x39mm |
|---|---|
| Barrel Length & Steel | 5 Inch Medium Profile, 4150 Chrome Moly Vanadium Steel, Melonite Treated |
| Twist Rate | 1:10 Twist (Precision engineered to perfectly stabilize standard 122gr to 124gr intermediate projectiles) |
| Upper Receiver | Milspec Forged 7075-T6 Aluminum, M4 Feed Ramps, Forward Assist & Dust Cover, Type III Hardcoat Anodized Black |
| Lower Receiver | Mil-Spec Forged 7075-T6 Aluminum, Type III Hardcoat Anodized Black Finish |
| Gas Operating Block | Micro-Length Gas System, Low-Profile Gas Block Machined from 4140 Steel, Stainless Steel Gas Tube |
| Muzzle Device | Standard 5/8-24 Thread Pitch, Slimline Flash Can |
| Handguard Rail | 7" Slim Free-Float M-LOK Handguard, Machined from 6061-T6 Aluminum with Top Picatinny Rail |
| Bolt Carrier Group | Full Auto M16 Profile, Heavy Duty Carrier, 9310 Bolt face optimized for 7.62x39, Enhanced Extended Firing Pin Pre-Installed, Nitride Treated, Properly Staked Gas Key, MPI Tested |
| Charging Handle | Standard Milspec AR-15 Charging Handle |
| Lower Parts Kit | Complete Mil-Spec Lower Parts Kit (LPK) with Crisp Single-Stage Fire Control Group and Standard A2 Grip |
| Blade Assembly | High Density Polymer Adjustable Blade, Pistol Buffer Tube, Standard 3oz Buffer, Buffer Spring, Castle Nut, Latch Plate |
| Magazine | (1) 7.62x39mm AR-15 Caliber Specific Magazine |
| Manufacturing Origin | 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty |
The P2A PATRIOT 5" 7.62x39 M-LOK Pistol directly solves the most structural technical issues encountered with standard short-barrel custom builds: failure to ignite hard primer types, feed ramp feeding jams, extraction timing failure, and part-by-part tolerance stacking. When constructing micro platform units from mismatched manufacturers, builders frequently fight weak strikes, light primer indents, or gas cycling headaches due to inadequate port tuning and standard firing pin parameters. Pro2A Tactical completely eliminates these engineering frustrations by headspacing, aligning, and function-testing the entire operating block as a single unit, ensuring that the bolt, enhanced firing pin, barrel extension, gas port, and buffer system interface flawlessly right out of the box.
Furthermore, choosing a 5-inch barrel optimized for the 7.62x39mm cartridge strikes the ultimate operational sweet spot for maximum close-quarters concealment and hard-hitting tactical flexibility. Originally engineered to retain high kinetic energy and complete bullet stability over short operational arcs without forcing shooters to jump into a heavy, oversized AR-10 receiver chassis, this firearm excels downrange. Paired here with a fast 1:10 twist rate and custom micro gas pathways, it handles severe heavy cycling cadences smoothly while retaining a tight handling profile that navigates vehicles and confined environments with ease.
Partnering with some of the best manufacturers in the industry, we bring you a line of rifles and pistols with unrivaled quality for the cost, the “Patriot”. Every Patriot firearm is carefully built and assembled by our team of experienced armorers who knows the importance of reliability and repeatability. Every component is manufactured to milspec or better standards to ensure a high quality firearm is produced. Whether it is for sporting, hunting, or recreational needs, our Patriot Line of rifles and pistols is more than capable to live up to the task. The Patriot line combines quality with affordability because every patriot deserves it.
| SKU | P2APAT-X39GFS7MIC5CAN-1.10-HT |
|---|---|
| Model | PATRIOT |
| Barrel Length | 5 inch |
| Rifle Caliber | 7.62x39 |
| Manufacturer | Pro2A Tactical |