PSA PA?15 Complete Classic Lower + BC?15 .300 Blackout Upper

Built for reliability and classic AR?15 ergonomics, the PSA Complete Classic Lower offers a rugged, duty?ready foundation machined from 7075?T6 forged aluminum and finished in MIL?A?8625F Type III Class 2 hardcoat anodizing. The M4?style stock, mil?spec receiver extension, and staked castle nut provide a stable, dependable recoil system, while the standard carbine buffer ensures smooth cycling across a wide range of calibers. PSA’s un?notched hammer design maintains compatibility with 9mm blowback systems, adding versatility to the platform. Fully assembled and ready to pin to your upper, this lower gives shooters a durable, no?nonsense starting point for a dependable AR?15 build.

Paired with the Bear Creek Arsenal BC?15 .300 Blackout Complete Upper, this setup becomes a powerful, accurate, and highly functional rifle system. The 16" heavy?profile 416R stainless barrel features a Black Nitride finish, 1:8 twist, and Bear Claw fluting for improved rigidity and heat management. A carbine?length gas system and .750 gas block ensure reliable cycling with both supersonic and subsonic .300 BLK loads. The MLOK split?rail handguard provides modern accessory mounting while keeping weight manageable. With a forged receiver, E9310 bolt, and rear?charging configuration, this upper delivers strength, smooth operation, and excellent performance for hunting, range use, or defensive applications.

PSA PA?15 Complete Classic Lower — Key Features

• Machined from 7075?T6 aluminum forgings
• MIL?A?8625F Type III Class 2 hardcoat anodized
• Mil?spec diameter receiver extension
• M4 stock
• Staked M4 lock nut
• Standard carbine buffer
• Caliber: Multi

Bear Creek Arsenal BC?15 .300 Blackout Upper — Specifications

• Manufacturer: Bear Creek Arsenal
• Platform: AR?15
• Classification: Complete Upper Assembly
• Caliber: .300 Blackout
• Barrel Length: 16"
• Barrel Material: 416R Stainless Steel
• Barrel Finish: Black Nitride Stainless
• Profile: Heavy Barrel
• Twist Rate: 1:8
• Thread Pitch: 5/8x24
• Gas System: Carbine
• Gas Block Size: 0.750
• Feed Ramp: .300 Blackout
• Flutes: Bear Claw
• Handguard: MLOK Split Rail
• Charging Style: Rear Charging
• Bolt Material: E9310
• Receiver Material: Forged