Product Features & Specifications

PTR 51PBR-3080101 51P BR 7.62x51mm/308 Win 20+1 8.50" Threaded Barrel, Black Powdercoat Receiver w/Picatinny Rail, Polymer Handguard, Black Polymer SBA4 Brace, Black Polymer Grip

The PTR 51P BR sold with an SBA4 collapsible pistol brace installed, the 51P BR provides additional rear support while maintaining a non-stock configuration.The platform operates using PTR’s proven roller-delayed blowback system, producing a smooth recoil impulse and reliable cycling with full-power 7.62×51mm ammunition.

A heat-treated, full-auto profile bolt carrier enhances durability and supports sustained operation.The overall finish consists of black powder coating over Parkerizing for corrosion resistance and long-term wear protection.

The 8.50" stress-relieved, heavy-contour barrel features a 1:10" right-hand twist and is threaded 5/8×24, supporting common muzzle devices.A 6.90" steel Picatinny rail allows optic mounting without altering the traditional polymer handguard configuration, preserving classic PTR ergonomics while supporting modern optics.

Includes polymer case, one magazine and cable lock.