QUALITY GOES IN BEFORE THE WEAPON GOES OUT

Windham Weaponry .300 Blackout (7.62×35mm) rifles and pistols in 16-inch and 9-inch SFS (Shaved Front Sight) configurations are engineered for the versatility of the .300 BLK cartridge,delivering optimal performance with both heavy subsonic and high-velocity supersonic loads.

Key Specifications

• Chambering: .300 AAC Blackout / 7.62×35mm.

• Barrels: 4150M Chrome Moly Vanadium steel, chrome-lined with a 5/8×24 threaded muzzle for direct suppressor attachment.

• Twist Rate: 1:7″ twist, optimized to stabilize a wide range of projectile weights (from 110gr supersonic to 220gr subsonic).

• Receivers: Forged 7075-T6 aircraft-grade aluminum with laser-engraved upper markings for quick cartridge identification.

• Gas System & Rail: Low-profile Shaved Front Sight (SFS) gas block housed beneath a free-float handguard for an uninterrupted, full-length top Picatinny rail.

• Magazines: Fully compatible with standard AR-15 / STANAG magazines.

Featured Configurations

• 16-Inch .300 Blackout SFS (R16SFS-300):

  • Barrel: 16-inch medium-profile, chrome-lined barrel.

  • Features: Features a shaved front sight gas block inside a free-float handguard and a 6-position collapsible stock. Maximizes terminal velocity for hunting and general mid-range carbine duties.

• 9-Inch .300 Blackout SFS Pistol / Short Barrel (RP9SFS-300):

  • Barrel: 9-inch medium-profile, chrome-lined barrel.

  • Features: Ultra-compact SFS configuration featuring a low-profile gas block under a free-float handguard, fitted with a receiver extension or stabilizing brace. Ideal for tight-quarters maneuvering, home defense, and suppressed tactical setups.

Highlights

• Suppressor-Ready Design: Standard 5/8×24 threading paired with a 1:7″ twist rate makes mounting sound suppressors effortless and effective.

• Modular Top Rail: SFS design removes front sight obstructions to accommodate continuous optic setups, night vision, or thermal optics.