The SCR accepts standard AR-15 upper receiver parts (except for the bolt carrier). Simply mate the SCR lower to your favorite upper receiver, then only extra items needed to complete a rifle are a new bolt & bolt carrier components (cam pin, firing pin & firing pin retaining pin) and a charging handle. Lower is machined from 7075-T6 forged aluminum. Lower is available with a Monte Carlo or Sporter buttstock. Lower is compatible with standard AR-15 upper receivers. Includes bolt carrier (no bolt, cam pin, firing pin, or firing pin retaining pin). Included assembly weighs 2lbs 14oz.  

Federal law requires that you be 21 years of age or older to purchase a handgun, frame or receiver. To purchase a shotgun or rifle, you must be 18 years of age or older. 18 U.S.C. Section 922(b)(1). As required by federal law, this item may only be shipped to a dealer with a valid Federal Firearms License. If you do not specify the name and shipping address of your dealer, your order will be delayed.

As required by federal law, this item may only be shipped to a dealer with a valid Federal Firearms License. If you do not specify the name and shipping address of your dealer, your order will be delayed.