Overview
The Radical Firearms 8.5″ HBAR 300 Blackout AR Pistol is designed for compact performance and operational versatility. Integrating MIL-STD components with a specialized free-float rail system, this platform delivers precise shot placement and robust accessory integration for varied operational requirements.
Key Features
Precision Machined Receivers
Utilizes MIL-STD upper and lower receivers, precision machined to ensure consistent fitment and operational reliability. These receivers form a robust foundation, critical for maintaining zero and supporting component longevity under demanding conditions.
Optimized Handguard System
Features the Radical Firearms 7-inch RPR (Radical Precision Rail) free-float system. This design isolates the barrel from direct contact, mitigating barrel deflection and optimizing shot consistency. The extensive accessory mounting surface provides ample space for mission-essential equipment while facilitating efficient heat dissipation, ensuring operational comfort and component longevity during extended use.
Enhanced Barrel Profile
Equipped with an 8.5-inch HBAR (Heavy Barrel) profile chambered in 300 Blackout. This contour offers increased rigidity over lighter profiles, contributing to greater accuracy potential and enhanced thermal stability during sustained fire. The 300 Blackout chambering is optimized for energy transfer and ballistic performance in a compact form factor.
Operational Reliability
Engineered for consistent function across various operational environments. The combination of MIL-STD components and tested design principles ensures reliable cycling and performance with appropriate ammunition selections, offering a dependable platform for critical applications.
Technical Specifications
Caliber:
300 Blackout (300BLK)
Barrel Length:
8.5 inches
Barrel Profile:
HBAR (Heavy Barrel)
Handguard:
Radical Firearms 7-inch RPR Free-Float Rail
Receiver Set:
MIL-STD Forged Aluminum Upper and Lower
Magazine Capacity:
30 rounds
SKU:
RSR|RAFFP85-300HBAR-7RPR









