MFR#15BN
Inside Diameter 1.005 inch, Outside Diameter 1.170 inch.
For use in the installtion of barrels, including .223, 5.56, 6.8 and 300 BLK.
Fit between the barrel extension and the standard barrel nut.
Will NOT work with .308 Win and 6.5 Creedmoor barrels or barrel nut.
TACSHIM have two different barrel nut shim kits available
MFR#10BN for .308 7.62x51
MFR#15BN for .223 5.56 300BLK 7.62x39 6.8
Please check the fitment before ordering
These shim kits may not be big enough for every barrel
Tips:
TACSHIM shims can be used alone or in different combinations.
This is just a game of trial and error to get your desired thickness.