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Large Pin lower parts kit with Colt accurized trigger.
ARK106A
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Large pin lower parts kit with Colt accurized trigger.

Includes everything that goes inside your stripped lower receiver. Includes fire control group, the pins and springs for the fire control group, bolt catch assy., mag catch assy., front pivot pin, rear takedown pin, 2 takedown pin springs, 2 takedown pin detents,  A-2 pistol grip, pistol grip screw, pistol grip screw washer, buffer detent, and buffer detent spring.

Small pin lower parts kit with JP match trigger with speed hammer
ARK111A
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Small pin lower parts kit with JP Match trigger and speed hammer.

Includes everything that goes inside your stripped lower receiver. Includes fire control group, the pins and springs for the fire control group, bolt catch assy., mag catch assy., front pivot pin, rear takedown pin, 2 takedown pin springs, 2 takedown pin detents,  A-2 pistol grip, pistol grip screw, pistol grip screw washer, buffer detent, and buffer detent spring.

Large pin lower parts kit with JP match trigger with speed hammer
ARK112A
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Large pin lower parts kit with JP match trigger and speed hammer.

Includes everything that goes inside your stripped lower receiver. Includes fire control group, the pins and springs for the fire control group, bolt catch assy., mag catch assy., front pivot pin, rear takedown pin, 2 takedown pin springs, 2 takedown pin detents,  A-2 pistol grip, pistol grip screw, pistol grip screw washer, buffer detent, and buffer detent spring.

Small pin lower parts kit with KAC two stage trigger
ARK113A
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Small pin lower parts kit with KAC (Knights Armament Corp) two stage trigger.

Includes everything that goes inside your stripped lower receiver. Includes fire control group, the pins and springs for the fire control group, bolt catch assy., mag catch assy., front pivot pin, rear takedown pin, 2 takedown pin springs, 2 takedown pin detents,  A-2 pistol grip, pistol grip screw, pistol grip screw washer, buffer detent, and buffer detent spring.