AR-15 Lower Parts Kit

Features

1. Complete Mil-Spec Lower Build Kit — Includes all the small parts, pins, springs, and detents required to finish a stripped AR-15 lower receiver.
2. Fire Control Group Included — Single-stage hammer, trigger, disconnector, and associated pins and springs deliver a standard mil-spec trigger pull right out of the bag.
3. Standard Safety Selector — Right-hand safety selector with detent and spring provides positive, audible engagement between SAFE and FIRE.
4. Magazine Release Assembly — Mag catch, mag catch spring, and mag catch button drop in cleanly and work with any STANAG-pattern AR-15 magazine.
5. Bolt Catch Hardware — Bolt catch, plunger, spring, and roll pin for last-round hold-open functionality on your finished build.
6. Takedown and Pivot Pins — Front pivot pin and rear takedown pin with detents and springs let you mate the lower to any mil-spec upper receiver.
7. A2 Pistol Grip and Grip Screw — Black polymer A2-style grip with finger swell, lock washer, and grip screw included for immediate installation.
8. Trigger Guard Assembly — Aluminum trigger guard with roll pin to complete the lower and protect the trigger during handling and carry.
9. Buffer Retainer and Spring — Buffer retainer and retainer spring keep the buffer and action spring properly seated inside the receiver extension.
10. Multi-Caliber Compatibility — Fits any mil-spec AR-15 stripped lower in 5.56 NATO, .223 Remington, .300 Blackout, and other AR-15 platform calibers.