Doublestar AR15 Lower Parts Kit – .223 Remington/5.56 NATO, Black Finish (AR270)

• AR15 lower parts kit designed for assembling or repairing rifle lower receivers
• Includes fire control group pins springs bolt catch and magazine catch assemblies
• Contains pivot pin takedown pins detents springs and trigger guard pin
• Includes pistol grip with screw and washer for installation
• Provides essential components required for lower receiver completion
• Manufactured for 223 Remington and 556 NATO AR15 platform rifles

The Doublestar Corp. AR15 Lower Parts Kit is a lower parts kit designed for assembling or repairing AR-15 rifle lower receivers. This Doublestar Corp. AR15 Lower Parts Kit includes essential internal components such as a fire control group, pins, springs, and detents required for standard AR-15 platform builds.

The kit features mil-spec heat treated 8620 steel components within the fire control group and a black finish across included parts. It contains a bolt catch assembly, magazine catch assembly, pivot and takedown pins, trigger guard pin, and pistol grip with screw and washer. Coiled steel spring pins are included along with an additional takedown detent and spring for redundancy. This lower parts kit is used for AR-15 rifle assembly and maintenance in standard configurations for range use or general firearm servicing.