Product Description The Griffin Armament Gate-Lok Hammer Compensator (XHP556HC) is a precision-engineered muzzle device designed to interface seamlessly with the M4SD series of suppressors. CNC machined from a solid bar of heat-treated 17-4PH stainless steel, this compensator delivers exceptional durability and long-term reliability under hard use. Its slotted compensating design provides tuned muzzle stability, reducing muzzle rise during rapid fire while featuring 2 sacrificial baffles that protect the internal components of your suppressor and extend its service life. The Lustrous Black Melonite QPQ finish offers outstanding corrosion resistance and a clean, professional appearance. Compatible with 1/2x28 industry-standard thread pitch for 5.56mm carbines, the Gate-Lok Hammer Comp ships with a shim set and over-travel stop washer included. The over-travel stop tab should be positioned at the 6 o&';clock position on the muzzle device. Griffin Laser Logo marked with a mini hammer, this compensator is built specifically for hard users who demand peak performance from their equipment. Product Highlights Suppressor-Compatible Design: Features 2 sacrificial baffles that extend the service life of M4SD series suppressors and reduce recoil during use. Premium Construction: CNC machined from heat-treated 17-4PH stainless steel for superior strength, wear resistance, and long-term durability. Tuned Muzzle Stability: Slotted compensating geometry reduces muzzle rise, enabling faster follow-up shots and improved accuracy. QPQ Nitride Finish: Lustrous Black Melonite QPQ surface treatment provides excellent corrosion resistance and a sleek, durable finish free of wear-prone geometry. Industry-Standard Threading: 1/2x28 thread pitch ensures broad compatibility with 5.56mm carbines; includes shim set and over-travel stop washer. Specs Brand: Griffin Armament MPN: XHP556HC UPC: 791154081518 Caliber: 5.56x45mm NATO / .22 Caliber Thread Pitch: 1/2x28 Diameter: 0.863 inches Overall Length (OAL): 1.75 inches Weight: 2.4 oz Material: 17-4PH Stainless Steel Finish: QPQ Nitride (Black Melonite) Color: Black Compatibility: M4SD Series Silencers; Compatible with QD Blast Shield Includes: Shim Set, Over-Travel Stop Washer Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>