BCM MK2 Receiver Extension
Best premium upgrade for shooters seeking improved recoil control and balance.
A robust, Mil-Spec receiver extension that offers eight positions for precise stock adjustment. It provides a reliable foundation for custom builds, though it requires a specific buffer and spring system to function correctly.
$49.95
at
Bravo Company USA
More MK2 options
Who it's for
- Shooters seeking a flatter-shooting rifle with reduced muzzle flip.
- High-volume users who prioritize consistent performance in varied conditions.
- Tactical professionals needing an exact fit for body armor or layers.
Who should skip it
- Owners who prefer using their existing inventory of standard buffers.
- Minimalists building ultra-compact setups where every fraction of an inch matters.
- Budget-conscious builders looking for the most affordable functional components.
Performance breakdown
Material Durability
7075T6 aluminum construction offers industry-leading strength for high-impact use.
Adjustment Versatility
Eight distinct positions provide exceptional length-of-pull customization for any shooter.
Finish Resilience
Mil-Spec hard coat anodizing stands up to significant friction and wear.
Platform Compatibility
Broad compatibility across AR platforms, though requires specific buffer system components.
Installation Complexity
Requires specific proprietary parts, making it less plug-and-play than standard extensions.
Precision Fit
Strict Mil-Spec tolerances ensure a wobble-free interface with standard stocks.
Key Specs
7075T6 Aluminum construction
Hard Coat Anodized finish (Mil-A-8625F, Type III, Class 2)
Compatible with AR15, M16, M4, and AR-10 platforms
8 adjustment positions
Compatible with VLTOR A5 buffer systems
Requires M16 rifle action spring and specific MK2 buffer
Know before you buy
Still have a question?
Ask Metto anything about the BCM MK2 Receiver Extension before you decide.