Since its release in 2005, the AR-15 Competition Trigger has often times been called the Gold Standard AR Trigger by our incredible customers. With three pull weight options, each providing a crisp, clean break, this trigger will deliver unlimited accuracy to aid you in achieving your goals for your next competition. – Your choice of 3, 4, or 4.5 lb. pull weight – Non-adjustable – Anti walk pins not required – Available in curved, straight, or skeletonized shoes – Will aid you in being more accurate with your rifle – 100% drop-in, cassette style trigger – Easy to install, no gunsmithing or fitting required – Hand-assembled, tested, and calibrated – Backed by our Legendary Lifetime Warranty – Proudly made in the USA Compatible with: 2.23 / 5.56 caliber AR-15 rifles, Grand Power Stribog, Large Pin Colt Rifles from the 90s NOT Compatible with .308 or 7.62 caliber ARs or the S&W 15-22