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Step up to an exceptionally versatile defensive and tactical powerhouse engineered to maximize close-quarters maneuverability while preserving optimal hard-hitting ballistics. The P2A PATRIOT 12.5" 300 Blackout Pistol Length Melonite M-LOK Pistol is a fully assembled, factory function-tested complete firearm built to deliver relentless downrange velocity and absolute structural stability right out of the box. While ultra-short barrel configurations frequently sacrifice crucial bullet expansion speeds and standard carbine setups feel excessively bulky in tight quarters, this model achieves an ideal engineering sweet spot. By pairing an intermediate precision 12.5-inch 4150 CMV steel barrel with a custom-tuned pistol-length gas operating system, it ensures proper cycling pressure arcs for the versatile 300 Blackout cartridge across a massive array of supersonic and subsonic loading scales. This optimized gas profile tames cycling speeds, resulting in a remarkably smooth recoil pulse and cleaner case extraction. 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 | 300 AAC Blackout (7.62x35mm) |
|---|---|
| Barrel Length & Steel | 12.5 Inch Medium Profile, 4150 Chrome Moly Vanadium Steel, Melonite Treated |
| Twist Rate | 1:8 Twist (Stabilize supersonic and subsonic profiles) |
| 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 | Pistol-Length Gas System, Low-Profile Gas Block Machined from 4140 Steel, Stainless Steel Gas Tube |
| Muzzle Device | Standard 5/8-24 Thread Pitch, A2 Flash Hider with Crush Washer Pre-Installed |
| Handguard Rail | 10" 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, 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) PMAG or Standard 300 Blackout / AR-15 Pattern Magazine |
| Manufacturing Origin | 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty |
The P2A PATRIOT 12.5" 300 Blackout M-LOK Pistol directly solves the most common technical issues encountered with standard custom short-barrel builds: cycling inconsistencies between diverse load pressures, excessive throat wear, and part-by-part tolerance stacking. When constructing specialized intermediate platforms from mismatched manufacturers, builders frequently fight failure-to-feed geometry or gas timing headaches due to inconsistent port diameters and mismatched buffer configurations. 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, barrel extension, gas port, and buffer system interface flawlessly right out of the box.
Furthermore, choosing a 12.5-inch barrel optimized for the 300 Blackout cartridge strikes the ultimate operational sweet spot for downrange velocity maintenance and tight tactical utility. Originally engineered to maximize velocity while remaining highly compact for suppressor integrations, this length pairs perfectly with a smooth pistol-length gas operating system. This setup broadens internal gas pressure dwell structures, tames system cycling speed, smooths out case extraction, and drastically minimizes felt muzzle rise, ensuring faster, more precise follow-up shots whether you are training on the clock or configuring a reliable home-defense weapon platform.
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-300BW10PIS125-1.8-M-TK |
|---|---|
| Model | PATRIOT |
| Barrel Length | 12.5 inch |
| Rifle Caliber | 300 Blackout |
| Manufacturer | Pro2A Tactical |