- Receiver Extension - Mil-Spec, 6 position (machined from 7075T6)
- Receiver End Plate
- Lock Nut (Castle) M4
- Carbine Action Spring
- Carbine Buffer Assembly (options for Std, H, H2, or H3)
These are built exceptionally well, you can tell that the aluminum is well machined and very durable. I also appreciate the fact you can choose your buffer weight with the kit.
Arrived fast and in great condition worked great
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Great product, have yet to shoot with it but instal was easy and feels solid
Great product
I ordered this kit so I could finish my lower build. The kit was good quality and shipped fast. I haven’t shot with this kit yet so I can’t speak to how it performs but ordering was easy and quick.
Review body is empty
Looks and works great. One of the best milspec tubes out there. Shipping was very fast as always with bcm
Great product. Always fast shipping. I love BCM!