SPR Collar

The Otter Creek Labs SPR Collar is available now from LM Ironwerks, a licensed FFL/SOT dealer in Louisville, Kentucky.

Short SPR locating collar for ops inc 12 model, AEM5 and OCM5. Made from H900 heat treated 17-4 steel with a black nitride finish.

Why Buy from LM Ironwerks

It ships directly to the address you enter at checkout, so no dealer transfer is needed. In addition, our team reviews every order before it ships. Have a question about fit or compatibility? Contact us before you order and we’ll help. Looking for something different? Browse all of our suppressor parts.