![BCM MK2 Receiver Extension, BCM Receiver Extension BCM MK2 Receiver Extension, BCM Receiver Extension](https://cdn11.bigcommerce.com/s-ih8ftwyu5w/images/stencil/300x300/products/1065/3036/RPLBCM-MK2-RE__14434.1698952190.jpg?c=1)
Shifting mass from non-critical to critical areas; the BCM Mk2 Upper Receiver reduces barrel deflection and enhances bore tolerances improving barrel alignment, consistency and accuracy.
Features :
- Enhanced rigidity
- Works with all USGI bolt carriers, charging handles and barrel assemblies
- 7075 T6 Aluminum