"Designed with an emphasis on gas pressure mitigation while being hearing-safe to OSHA standards, the LMT Link 30 Suppressor is approved for use with 7.62mm for the M240B, M240L, and MK48 machine guns. It's a heavy-duty piece of equipment that's rated for belt-fed weapons and can withstand 30,000+ round endurance cycles according to MIL training programs for sustained rate-of-fire. The Link 30 (so-named for its ability to work with linked ammo) is made from laser-welded stainless steel and Inconel a high-performance nickel-chromium superalloy prized for its exceptional strength, heat resistance, and durability. The body is coated with Armorer Cerakote for superior corrosion resistance. And while its primary function is gas pressure mitigation, it's also adept at reducing sound and flash; sound is reduced up to 140dB at the ear. The Link 30 Silencer mounts via the included locking flash hider with 25/32""-24 thread pitch. Also includes an installation tool. Mfrs. lifetime warranty. Designed for belt-fed machine guns (M240B, M240L, and MK48) Capable of withstanding 30,000+ round endurance cycles Made from laser-welded stainless steel and Inconel alloy Armorer Cerakote finish on body Mounts via the included locking flash hider with 25/32""-24 thread pitch Reduces sound up to sub-140dB at the earView the LMT Link 30 Suppressor Manual"