Enhance your firearm's performance with the ARMASPEC SPR LT GUN BLDRS KIT BLK, designed for serious gun builders and enthusiasts. This kit includes high-quality components that are manufactured with precision, ensuring a perfect fit and optimal function in your firearm projects. Precise Manufacturing Long Term Reliability Durable Construction Count on ARMASPEC for upgrades that deliver unmatched durability and reliability for years of shooting enjoyment.