Otter Creek Labs SPR Features The SPR collar is machined from steel a material selected for its strength dimensional stability and ability to withstand the mechanical stress and thermal cycling demands that suppressor collar components encounter during regular use across the full service life of the suppressor system. Steel construction ensures the SPR maintains its dimensional integrity and fit through repeated suppressor installation and removal cycles without deforming or wearing at the contact surfaces providing consistent and reliable function in the Otter Creek Labs suppressor platform. The precision machining applied to the SPR reflects Otter Creek Labs manufacturing standards ensuring every collar component meets the tight tolerances required for a rattle-free properly aligned suppressor interface. At 0.13 lbs. the SPR contributes minimal weight to the overall suppressor system making it a practical service or replacement collar for shooters who prioritize a lightweight suppressed setup on compatible Otter Creek Labs platforms. The collar series designation identifies the SPR as a precision fit component within the Otter Creek Labs suppressor collar ecosystem engineered to the tolerances required for consistent secure fit and reliable function through extended use. For any Otter Creek Labs suppressor owner in need of a replacement or additional SPR collar this component delivers the factory-correct steel solution built to Otter Creek Labs exacting standards. Otter Creek Labs SPR Specifications Manufacturer: Otter Creek Labs Model: SPR Category: Suppressor Accessory Series: Collar Material: Steel Weight: 0.13 lbs.