OCL M4 COLLAR RAW HEAT TREAT

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.

• Raw Heat Treat Gold Finish
• 17-4 Steel
• Compatible with Ops Inc 12 model, AEM5 and OCM5