Luth-AR AR-SK Spring Kit AR-15

The Luth-AR AR-SK Spring Kit is a compact, manufacturer-spec replacement spring set designed to keep your AR-15 platform running smoothly. This three-piece kit bundles the most commonly replaced springs in one simple package, giving you the parts you need to restore crisp trigger pull, reliable hammer strike, and proper ejection port cover tension.

Made by Luth-AR, the AR-SK spring kit includes the UR-05 Ejection Port Spring, the LR-32 Hammer Spring, and the LR-22 Trigger Spring — all precision-formed from metal and finished in black for a factory-correct look. The kit fits standard AR-15 and M16 pattern rifles and is an easy upgrade or repair item for gunsmiths, armorers, and home builders who want genuine Luth-AR replacement components on hand.

Whether you are troubleshooting a sluggish reset, a weak hammer drop, or a floppy ejection port door, the Luth-AR AR-SK Spring Kit gives you the three essential springs in one affordable, ready-to-install set. This is a new factory replacement spring kit.