Gun Engineer Trigger Spring for AR-15

This plug will fit on all AR-15 Mil Spec Guns. Standard industry Mil spec parts.Gun Engineer is a manufacturer of the AR-15 type rifle, marketed as Stag-15 rifles. Stag advertises that all their weapons and accessories. They are perhaps best known for their left-handed AR-15 rifles, which use a mirror imaged upper receiver and have the ejection port reversed for left-handed shooters and the safety selector control on the right side of the lower receiver.

Note: Gun Engineer always recommends any part be installed by a qualified and trained gunsmith. Gun Engineer promotes the use of safety practices and gear when working on any firearm.