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The P2A PATRIOT 16" 5.56 NATO Melonite M-LOK A2 Rifle is a professional-tier tactical carbine custom-engineered to deliver absolute structural rigidity, premium ballistic velocity, and timeless field ergonomics on a standard rifle framework. Chambered in the universally proven 5.56 NATO caliber (fully backward-compatible with .223 Remington), this platform leverages a full-length 16-inch barrel layout to achieve maximum powder burn efficiency and optimal downstream muzzle velocity yields over short-barreled setups. Built to dominate close-to-medium-range tracking environments, training applications, and defensive deployment layouts, this configuration functions with an optimized mid-length direct-impingement gas setup calibrated to guarantee smooth cycling, robust extraction profiles, and lower internal components wear under sustained aggressive operational cadences. This model integrates a traditional fixed A2 rifle stock assembly paired with a long rifle buffer loop system, offering an exceptionally stable cheek weld and a smooth, softly recoiling impulse. Finished in a rugged hardcoat anodized application, this build ensures premium, non-stop operational field protection from environmental degradation.
Every Patriot carbine layout is machined to strict technical tolerances, establishing precise M4 feed ramp alignments and factory headspaced structural profiles to ensure rock-solid cycling repeatability. Partnering with top-tier industry suppliers, each firearm is hand-assembled by a dedicated team of experienced armorers who understand the absolute importance of reliability and mechanical accuracy in the field. Out of the box, it seamlessly bridges the gap between classic duty ergonomics and modern modular custom spacing because every patriot deserves an uncompromised defensive tool.
| Caliber Compatibility | 5.56 NATO (Fully compatible with .223 Remington ammunition) |
|---|---|
| Barrel Length & Steel | Choice of Barrel: Carbine Length M4 Profile, Mid Length Govt Profile or Carbine Length CHF (Cold Hammer Forged) M4 Profile - all of them are 16 inch, 5.56 NATO Caliber, 4150 Chrome Moly Vanadium Steel, 1:7 Twist, Nitride/Melonite Treated |
| Twist Rate | 1:7 Twist (Optimized to stabilize heavy duty 55gr to 77gr loads) |
| 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 | Mid-Length Gas System, Low-Profile Gas Block Machined from 4140 Steel, Stainless Steel Gas Tube |
| Muzzle Device | Standard 1/2-28 Thread Pitch, A2 Flash Hider with Crush Washer Pre-Installed |
| Handguard Rail | 12" Slim Free-Float M-LOK Handguard, Machined from 6061-T6 Aluminum with Top Picatinny Rail |
| Bolt Carrier Group | Full Auto M16 Profile, 8620 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 |
| A2 Stock Assembly | Fixed A2 Rifle Stock Assembly, Long Rifle Receiver Extension (A2 Rifle Buffer Tube), Standard Rifle Weight Buffer and Rifle Buffer Spring |
| Magazine | (1) PMAG or Similar Compatible Magazine |
| Manufacturing Origin | 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty |
The P2A PATRIOT 16" 5.56 NATO Melonite M-LOK A2 Rifle solves the primary problem historically faced by shooters running modern collapsible carbines: unstable stock wiggle and sharp, snappy recoil impulses. By integrating an authentic fixed A2 rifle stock system alongside a matching long rifle weight buffer loop, this configuration stretches out pressure drops cleanly during cycling. This application dramatically slows down reciprocating bolt velocities and absorbs felt energy far more effectively than adjustable setups, delivering a remarkably flat-shooting rifle platform that preserves pristine sight alignment over repeated rapid-fire strings.
Additionally, this 16-inch configuration sets up an uncompromised defensive or competition weapon layout. By extending a full 12-inch free-float M-LOK rail shroud forward over a mid-length gas system, you gain complete freedom to implement modern support-hand extensions and mount vital tactical flashlights or bipods without impacting barrel harmonics. Hand-assembled by professional armorers using premium materials and rigid headspacing alignments, this rifle represents an affordable, top-tier operational field asset engineered to last through generations of trigger time.
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-556AX1216-1.7-M-TK-A2 |
|---|---|
| Model | PATRIOT |
| Barrel Length | 16 inch |
| Rifle Caliber | 5.56 NATO |
| Manufacturer | Pro2A Tactical |