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The P2A PATRIOT 18" .458 Socom AR-15 Rifle - FDE is a premium big-bore long-range hunting and tactical rifle custom-engineered to deliver hard-hitting, multi-role performance on a standard full-length framework. Chambered in the devastatingly powerful .458 Socom caliber, this platform leverages an extended 18-inch barrel structure to maximize muzzle velocity yields, maximize complete powder burn efficiency, and extend flat-shooting accuracy downrange compared to shorter setups. Built to dominate large-game tracking and medium-range hunting applications, this configuration functions with an optimized carbine-length direct-impingement gas setup calibrated to guarantee smooth cycling, robust extraction profiles, and stable bolt velocity under heavy pressure loads. Upper receiver, lower receiver, and rail components feature a highly resilient Cerakote Magpul Flat Dark Earth (FDE) finish to ensure absolute field protection from environmental degradation.
Every Patriot big-bore rifle layout is machined with strict technical adjustments, utilizing a modified upper receiver with an enlarged ejection port profile and factory headspaced tolerances to handle the massive case geometry of the .458 Socom caliber. Partnering with some of the best manufacturers in the industry, every firearm is carefully built and assembled by an experienced team of armorers who understand the absolute importance of reliability and repeatability under recoil. Out of the box, it combines milspec-or-better reliability with structural longevity because every patriot deserves it.
| Upper Receiver | AR-15 Mil-Spec Forged 7075-T6 Aluminum, Singe Large Feed Ramp, Enlarged Ejection Port, Forward Assist & Dust Cover, Cerakote Magpul Flat Dark Earth (FDE) Finish. |
|---|---|
| Caliber | 458 Socom |
| Barrel Length & Profile | 18-Inch Medium Profile |
| Muzzle Attachment | A2 Big Bore Flash Hider, 5/8-24 Thread Pitch |
| Twist Rate | 1:14 Twist Rate (Highly optimized for full stabilization of standard light and mid-to-heavy grain projectiles) |
| Barrel Material | 4150 Chrome Moly Vanadium Steel with QPQ Melonite Nitride Finish |
| Gas System Layout | Carbine-Length Gas System with Low-Profile Gas Block |
| Lower Receiver | Milspec AR-15 Lower Receiver, Forged 7075-T6 Aluminum, Cerakote Magpul Flat Dark Earth (FDE) Finish. |
| Handguard Rail | 15-Inch Free Float Slim Profile M-LOK Handguard Rail System with Picatinny Top Rail, Cerakote Magpul Flat Dark Earth (FDE) Finish. |
| Bolt Carrier Group | Premium M16 Profile BCG, Heavy Duty Carrier, 458 Socom Bolt Face, Nitride Treated, Properly Staked Gas Key, MPI Tested |
| Charging Handle | Standard Milspec Charging Handle |
| Trigger & Lower Parts | Complete Mil-Spec Lower Parts Kit (LPK) with Crisp Single-Stage Fire Control Group, Standard Safety, and A2 Pistol FDE Grip |
| Stock Assembly | Milspec Adjustable M4 FDE Stock, 6 Position Carbine Buffer Tube (Receiver Extension), Standard Buffer and Buffer Spring |
| Magazine | Comes with (1) 458 Socom Compatible AR-15 Magazine |
| Manufacturing Origin | 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty |
The P2A PATRIOT 18" .458 Socom Rifle - FDE entirely eliminates the regulatory boundaries and compliance hurdles of modern short-barrel configurations or braced pistols. By establishing a true 18-inch barrel profile, this system completely bypasses tax stamps and complex regional restrictions natively, offering complete peace of mind. Additionally, the full 18-inch configuration lets the massive .458 Socom cartridge achieve its optimal powder burn profile, transforming heavy close-quarters precision loads into highly effective, flat-shooting hunting strings with maximum kinetic delivery at intermediate distances.
By relying on a direct-to-consumer manufacturer layout built by armorers who understand the absolute importance of big-bore reliability and structural timing, you avoid common component feed variables or ejection blockages. Paired with a precision-fit 15-inch free-float M-LOK rail, an integrated Magpul FDE Cerakote finish that shields against severe environmental elements, and a 1:14 twist melonite steel barrel, this carbine represents an affordable, non-stop operational field asset built for a lifetime of hard use.
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-458GFS15CAR18-1.14-TK-FDE |
|---|---|
| Model | PATRIOT |
| Barrel Length | 18 inch |
| Rifle Caliber | 458 Socom |
| Manufacturer | Pro2A Tactical |