Bcm Mk2 Receiver Extension Boots 5" Voice coil and a

5" Voice coil and a Neo magnet structure

Blades: 12 Gauge Stainless Steel

Output / Runtime: High - 3500 lumens /1

we’re sure to have the bat for you

Scratch resistant

Bcm Mk2 Receiver Extension Boots 5" Voice coil and aBCM MK2 Receiver Extension for your AR15" M16" M4. Machined from 7075T6 and manufactured to Mil Spec dimensions and specifications. Mil Spec receiver extensions have a slightly smaller dimension where the stock slides on. *NOTE* These buffer tubes require a rifle action spring and specific BCM MK2 buffer, carbine and rifle buffers will NOT work. Features : Fits AR 8 Position Can Reduce Felt Recoil Requires Proprietary Buffer Weight