Spike's Tactical AR-15 Lower Parts Kit - Single Stage Trigger

Lewis Machine And Tool AR-15 Lower Parts Kit - 2 Stage Trigger

Geissele Automatics Enhanced AR-15 Lower Parts Kit - Desert Dirt

CMC TRIGGERS Single-Stage Flat 3.5lb Trigger with Lower Parts Kit (81503)

Anderson Manufacturing AR-15 Lower Parts Kit - Stainless Hammer and Trigger

Timney Triggers Trigger, Skeleton, 3 Lbs, Fits AR-15, Not Adjustable, Black Finish 661S

TriggerTech AR-15 Single-Stage 3.5lb Duty Trigger - Straight Flat Lever - Stainless - Primary Arms Exclusive - Open Box

AMERICAN TACTICAL IMPORTS Saf-T-First Lower Parts Kit AR-Platform Black