The Gate-LOK™ Flash Comp 7.62mm provides high performance mounting options for Griffin Gate-LOK™ Silencers as well as a 30 caliber (7.62mm) interface for the QD Blast Shield. The Flash Comp was made with the same performance features as its 5.56mm counterpart but with a 5/8x24 threaded interface and integral overtravel stop. Pre drilled hole to aid in pinning and welding. The Gate-LOK™ Flash Comp .30cal (7.62mm) is included with the 30SDK silencer. CNC Machined and outside diameter ground from high strength, corrosion and wear resistant, 17-4 precipitation hardened stainless steel, the Gate-LOK™ Flash Comp .30 cal (7.62mm) is black oxide finished. 5/8x24 threads offer compatibility with most 7.62mm firearms on the market. Diameter: .863" OAL: 2.770"Added (2.15") Weight: 3.2 ounces Materials: 17-4PH Stainless Steel Finish: Black Nitride Attachment: 5/8x24 Thread   Ambidextrous QD Mount Free of wear prone geometry Functionally engineered for maximum performance Sacrificial baffle to extend the life of your suppressor (excludes Flash Supp.) 17-4 PH Stainless steel to withstand hard use Griffin Laser Logo Marked 5/8x24 industry standard Thread Pitch for most 7.62mm firearms Shim set Included Integral Over-Travel stop Compatible with 30SD, M4SD series silencers, and QD Blast Shield