The Radical Firearms FP10.5-5.56M4-10RPR is an AR-pattern pistol chambered in 5.56 NATO. It features a 10.5″ M4 profile barrel constructed from 4140 chrome moly vanadium steel with a Melonite finish. The barrel utilizes a 1:7 right-hand twist and is threaded 1/2×28.
The system operates on a carbine-length gas system and uses a .750 low profile gas block with M4 feed ramps. The handguard is a 10″ RPR Radical Parallelogram Rail free float design with M-LOK interface.
The upper and lower receivers are forged 7075 T-6 aluminum with a Type III anodized finish. Standard AR-pattern controls include MIL-STD charging handle, forward assist, and dust cover. A pistol buffer tube is installed. A 30-round 5.56 NATO magazine is included.
Key Features:
• Caliber: 5.56 NATO
• Barrel Length: 10.5″
• Barrel Profile: M4
• Barrel Material: 4140 Chrome Moly Vanadium
• Barrel Finish: Melonite
• Twist Rate: 1:7 RH
• Thread Pitch: 1/2×28
• Gas System: Carbine Length
• Gas Block: .750 Low Profile
• Handguard: 10″ RPR Free Float M-LOK
• Upper Receiver: Forged 7075 T-6 Aluminum
• Lower Receiver: Forged 7075 T-6 Aluminum
• Buffer Tube: Pistol Tube
• Magazine: 30-Round 5.56 NATO
Manufacturer Specifications:
Caliber: 5.56 NATO
Barrel Length: 10.5″
Barrel Profile: M4
Barrel Material: 4140 Chrome Moly Vanadium
Barrel Finish: Melonite
Twist Rate: 1:7 RH
Thread Pitch: 1/2×28
Gas System: Carbine Length
Gas Block: .750 Low Profile
Handguard: 10″ RPR Free Float M-LOK
Upper Receiver: Forged 7075 T-6 Aluminum
Lower Receiver: Forged 7075 T-6 Aluminum
Finish: Type III Anodized
Magazine Capacity: 30 Rounds
FAQ:
Q: What twist rate does this barrel use?
A: 1:7 right-hand twist.
Q: What handguard is installed?
A: 10″ RPR free float M-LOK rail.
Q: What gas system length is used?
A: Carbine-length gas system.
Q: Is the barrel threaded?
A: Yes, 1/2×28.
Q: What magazine capacity is included?
A: 30 rounds.
Brought to you by Black Bayou Armory.
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