The Rise Armament Blitz G2 makes high performance easy: a crisp break, a fast reset, and a Slide-and-Snap install that takes under a minute with no tools. It outperforms triggers that cost considerably more. FeaturesPlatform Compatibility: ARs with mil-spec lower receiver dimensions (AR-15, AR-10, and AR9), PCC compatible. Calibers include 5.56/.223, .300 BLK, 9mm, 6.5, .308, and more Installation: Slide-and-Snap with built-in anti-walk / anti-rotation pins Blade Shape: Interchangeable flat or curved blade face (your choice) Housing: Precision-machined 6061 aluminum, silver anodized Internal Components: S7 tool steel, Heavy-Hit hardened, black nitride finish Other Features: Compatible with all RISE blade faces; TorLok blade retention