Description
KAC-Knight’s Armament SR-15 URX 4 IBN Rail Spare Shim Kit (30299)
Spare shim kit for the Knight’s Armament SR-15 URX 4 IBN handguard
Includes 7 shims and installation instructions
Fits the 5.56 version of the URX 4
7.62 shim kits are available here