The PTR 91 K3P-BR, marketed as the PDWR, is a semi-automatic .308 Win pistol built on PTR's roller-delayed blowback action. It has a 12.5-inch barrel, an M-LOK handguard with an extended Picatinny rail, and an SB Tactical brace, for an overall length of 28 inches and a weight of 8.7 lbs. The pistol is finished in black Parkerizing. 
 

Key Specifications 

• Brand: PTR 
• Model: 91 K3P-BR (PDWR) 
• Caliber: .308 Win (7.62x51mm) 
• Action: Semi Auto 
• Capacity: 20+1 
• Barrel Length: 12.5" 
• Weight: 8.7 lbs 
• Finish: Parkerized 
   

Detailed Features 

• 12.5-inch stress-relieved tapered contour barrel with Parkerized finish 
• 5/8x24 threaded muzzle for compatible devices 
• M-LOK handguard with a 7.5-inch Picatinny rail for lights, grips and optics 
• Roller-delayed blowback action for consistent cycling 
• Includes one 20-round aluminum magazine and a trigger cable lock

Owners of the PTR PDWR consistently point to the roller-delayed blowback action as the standout, describing the recoil impulse as smoother than a direct-impingement .308 pistol of similar size. The Parkerized finish and PTR's build quality are generally well regarded for a rifle in this price range.

As a braced pistol, the PDWR runs heavier than an AR-pattern .308 pistol at a similar barrel length, which some owners note when carrying it for extended periods, though the M-LOK handguard and extended rail make it easy to balance with an optic and light. The SB Tactical brace is a common upgrade point for buyers who want a different length of pull.

On value, buyers see the PDWR as priced in line with other roller-delayed .308 pistols, and the 5/8x24 threaded muzzle and aluminum magazine give it straightforward aftermarket compatibility.