Lowerreceiverparts
Lower Receiver parts.
Lower Receiver internal parts

Includes everything that can go inside your stripped lower receiver. Parts Include fire control group, the pins and springs for the fire control group, bolt catch assy., mag catch assembly, 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.

The lower parts are made by various military contractors, for example the fire control parts, mag catch, detents, and pins are made by the same contractors that colt use.  Bolt catches and selectors are made by the same contractor that supplies BM.  They are made to military specs other than the AR dimensions ( not M-16 ) on the fire control parts.  The fire control parts for the M-16 rifle come from the same manufacturer as made for the M-16 rifle in use today by the U.S. Military and other Militia around the world.  Everything is first rate parts, not seconds, and made in the U.S.A. for Double Star Corp.

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Lower reciever Parts kit From Doublestar for AR-15 rifles
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lowerkit
AR15 Lower Parts Kit From Double Star for AR-15 rifles,

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.

Disconnector Spring
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Disconector Spring

The lower parts are made by various military contractors, for example the fire control parts, mag catch, detents, and pins are made by the same contractors that Colt use.  Bolt catches and selectors are made by the same contractor that supplies BM.  They are made to military specs other than the AR dimensions ( not M-16 ) on the fire control parts.  The fire control parts for the M-16 rifle come from the same manufacturer as made for the M-16 rifle.  Everything is first rate parts, not seconds, and made in the U.S.A.

Trigger
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Trigger

The lower parts are made by various military contractors, for example the fire control parts, mag catch, detents, and pins are made by the same contractors that Colt use.  Bolt catches and selectors are made by the same contractor that supplies BM.  They are made to military specs other than the AR dimensions ( not M-16 ) on the fire control parts.  The fire control parts for the M-16 rifle come from the same manufacturer as made for the M-16 rifle.  Everything is first rate parts, not seconds, and made in the U.S.A.

Trigger AR15 Large Hole
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Trigger AR15 Large Hole Colt Lower with large pin config.

The lower parts are made by various military contractors, for example the fire control parts, mag catch, detents, and pins are made by the same contractors that Colt use.  Bolt catches and selectors are made by the same contractor that supplies BM.  They are made to military specs other than the AR dimensions ( not M-16 ) on the fire control parts.  The fire control parts for the M-16 rifle come from the same manufacturer as made for the M-16 rifle.  Everything is first rate parts, not seconds, and made in the U.S.A.

Trigger M-16
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Trigger for the M-16 rifle.

The lower parts are made by various military contractors, for example the fire control parts, mag catch, detents, and pins are made by the same contractors that Colt use.  Bolt catches and selectors are made by the same contractor that supplies BM.  They are made to military specs other than the AR dimensions ( not M-16 ) on the fire control parts.  The fire control parts for the M-16 rifle come from the same manufacturer as made for the M-16 rifle.  Everything is first rate parts, not seconds, and made in the U.S.A. This is a FFL Item.