Product Description The Otter Creek Arms OCL301 SPR Collar is a precision-engineered short locating collar designed for seamless compatibility with the Ops Inc 12 model suppressor, as well as the AEM5 and OCM5 systems. Machined from H900 heat treated 17-4 stainless steel, this collar delivers outstanding structural integrity, dimensional precision, and long-term durability. The black nitride finish adds an additional layer of surface hardness and corrosion resistance, making this collar a reliable choice for demanding range and field environments. Its compact, low-profile form factor ensures clean integration without adding unnecessary bulk, while engineered tolerances provide repeatable, secure seating and consistent alignment on compatible suppressor setups. Product Highlights Compatible with Ops Inc 12 model, AEM5, and OCM5 suppressor systems for broad fitment versatility Constructed from H900 heat treated 17-4 stainless steel for exceptional strength and dimensional stability Black nitride finish delivers superior surface hardness, wear resistance, and corrosion protection Short, low-profile collar design maintains a clean, minimal footprint on the rifle platform Precision-machined to tight tolerances for repeatable, secure seating and reliable suppressor alignment Specs Brand: Otter Creek Arms LLC MPN: OCL301 UPC: 664533658994 Material: H900 Heat Treated 17-4 Stainless Steel Finish: Black Nitride Type: Short SPR Locating Collar Compatible With: Ops Inc 12 Model, AEM5, OCM5 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>