What is the M16 Full Auto Lower Parts Kit?
Everything that goes inside an M16 or FA AR-15 lower receiver, in one kit: fire control group, M16 sear, 3-position selector, and the full set of lower receiver small parts. These are replacement parts for an existing M16 or lawfully configured FA AR-15. This is not a conversion kit and not a drop-in for a semi-auto lower.
What’s in the kit
- Fire control group
- Pins and springs for the fire control group
- M16 sear, sear spring, sear pin
- 3-position selector
- Bolt catch assembly
- Magazine catch assembly
- Front pivot pin
- Rear takedown pin
- 2 takedown pin springs
- 2 takedown pin detents
- Pistol grip screw and washer
- Buffer detent and buffer detent spring
Specs
- Caliber: 5.56 NATO / .223 Remington, 300 BlackOut
- Pistol grip: not included (add one for $2 at checkout)
- Weight: 0.4 lb
- SKU: m16-w-auto-sear-and-pin
Compatibility
Replacement parts for an existing M16 or lawfully configured FA AR-15 only. Not a conversion kit. Not a drop-in for a semi-auto lower.