Ncstar Ar10 Upper Receiver Block For Use With Ar-10 AFALSEdized Finish Blue Vthar10uvb

NCSTAR AR10 Upper Receiver Block, For use with AR-10, AFALSEdized Finish, Blue VTHAR10UVB
Model: AR10 Upper Receiver Block
Type: Tool
Manufacturer: NCSTAR
Model: AR10 Upper Receiver Block
Mfg Number: VTHAR10UVB Bolting the two halves of the upper receiver block fully supports the upper receiver to prevent damage from torque twisting forces when installing or removing barrels from the receiver. The upper half of the block inserts into the AR10 receiver just like a bolt carrier group. The bottom half of the block can be bolted together with the upper block half with the provided steel bolts. This fully supports the inside and the bottom of the AR10 receiver and it also leaves the receiver optics rail open for mounting accessories and optics. The AR10 upper receiver block also has a hole through the length of the block to act as a bore brush guide for cleaning out the bore of the barrel. Constructed with blue aFALSEdized Aluminum. Dimensions 8.4”L X 3.1”H X 2.0”D Weight: 29.0 oz.