BCM MIL-SPEC Carbine Buffer System
Best reliable upgrade for builders finishing a custom rifle lower.
A reliable, no-nonsense foundation for building out a lower receiver. It provides the essential, high-quality components needed to get a carbine running, offering the flexibility to tune the buffer weight to specific rifle setups.
$70.00
at
Guerrilla Tactical
Who it's for
- Shooters wanting seamless compatibility with aftermarket stocks
- Duty users requiring absolute reliability and strict dimensional standards
- Builders prioritizing long-term durability and structural integrity
Who should skip it
- Budget-conscious buyers seeking the most affordable option
- Competitive shooters needing advanced recoil tuning capabilities
- Beginners lacking the tools or experience for proper staking
Performance breakdown
Manufacturing Tolerance
Precision machining ensures a seamless fit with standard Mil-Spec receivers.
Recoil Mitigation
The H1 buffer weight provides a balanced, reliable cycling experience.
Material Durability
Rugged construction stands up to heavy, sustained firing schedules.
Installation Simplicity
Standardized components make for a straightforward, frustration-free assembly process.
Cycling Consistency
Spring tension and buffer weight are perfectly tuned for reliable operation.
Component Quality
Every included part meets rigorous BCM standards for long-term reliability.
Key Specs
Material
7075-T6 aluminum alloy
Finish
Hard coat anodized per Mil-A-8625F, Type III, Class 2
Compatibility
Mil-Spec dimension stocks
Buffer Weight
3.8 oz (H1) or 4.6 oz (H2)
Receiver Extension
6-position
Components
Receiver Extension, Receiver End Plate, Castle Nut, Carbine Action Spring, Carbine Buffer Assembly
Still have a question?
Ask Metto anything about the BCM MIL-SPEC Carbine Buffer System before you decide.
