RISE ARMAMENT RA-140 Rave Super Sporting Trigger Drop-In Curved RISE’s RA-140 Super Sporting Trigger (SST) for ARs has been a popular choice for many customers and now it’s even better than ever as the Rave 140. Extreme reliability through enhanced engineering. No take-up — just a smooth, crisp break and a short Quik-Klick reset you can feel. Elementary installation — no set screws to tighten. Sleek appearance to accompany the enhanced performance. Available with curved or flat trigger blade. Single stage, 3.5-lb. pull weight. The ideal cost-conscious upgrade. Includes free anti-walk pins for worry-free. Installation. Melonite-coated interior parts for enhanced strength and corrosion resistance. Contained in an anodized housing machined from a solid block of 6061 aluminium, which is more. durable and longer lasting than punch-tin housings to help the trigger perform flawlessly under a variety of conditions. Compatible with AR-style platforms with mil-spec dimensions — including .223/5.56, .308, 6.5, and 9mm calibres. Backed by the RISE More-Bang-for-Your-Buck Performance Guarantee and Lifetime Warranty