The Volquartsen Competition Complete CNC-Machined Bolt features a hardened and tuned extractor for positive, consistent extraction. It also includes the Volquartsen round titanium firing pin. This round design eliminates the unnecessary movement found on most 10/22 firing pins. The CNC-machining process allows Volquartsen to hold the head spacing to exact dimensions eliminating the need to have your factory bolt reworked. Case hardened with DLC coating applied - a high performance premium finish that offers many advantages. FeaturesIncreased hardnessLow residual stressIncreased lubricityLow coefficient of frictionImproved wear resistanceRequires much less lubricationRecoil buffer included3 springs included (reduced power, regular weight, and heavy power)Features the same improved Firing Pin and Extractor as Volquartsen rifles NOTESThese are designed to work with Volquartsen aftermarket receivers as well as factory Ruger receivers, but may not be compatible with other aftermarket rec...