The Dirty Bird Industries’ Lower Build Kit Minus FCG consists of quality, precision machined components made right here in the USA. Ideal for builders who want to source their own fire control group, this lower build kit includes pins, springs and controls plus an extra takedown / pivot pin detent & spring set, and an upgraded enhanced polymer trigger guard. We then sourced quality Hogue Products, namely their Rubber Overmold Stock and Rubber Overmold Grip to round off this lower build kit
Don’t risk out of spec or missing parts in your Lower Build Kit, you have Dirty Bird’s word that these parts will be well within spec and include exactly the following parts:
- Hogue Overmold Mil-Spec Carbine Stock
- Hogue Beavertail Pistol Grip w/ Finger Grooves.
- Mil-Spec Carbine Buffer Tube / Receiver Extension
- Carbine Buffer Spring









