Product Summary
The AR-STONER Single Stage Trigger Group is a mil-spec replacement designed for both AR-15 and LR-308 platforms. It features a non-adjustable design that provides a smooth pull and a crisp break to help shooters stay on target. This group is specifically engineered for mil-spec lower receivers with .154″ pin holes. It serves as an ideal component for those looking to upgrade or complete their AR-STONER Customizable Lower Parts kits.










