Locating collar for M4 spec barrels and ops inc 12th model'” AEM5 and OCM5. Made from H900 heat treated 17-4 steel with a Raw Heat Treat Gold finish.
Otter Creek Labs M4 Locating Collar, For Use with M4 Spec Barrels with Ops Inc 12th Model, AEM5 and OCM5 Suppressors, Raw Heat Treat Finish, Gold OCL-202
