Bushmaster ACR Lock Ring Washer, 0.133

Manufactured from steel, this 0.133 lock ring washer is produced for the Bushmaster ACR rifles chambered in .223 Rem and 5.56x45mm. The long ring washer assists in creating a tension based secure point on the rifle. This Bushmaster factory piece is perfect as a spare or replacement part.

Note: It is recommended that all Bushmaster parts be installed by a qualified and trained gunsmith.

Fits: ACR