WoofersInc
Member
How hot does the muzzle get? Loctite 266/272 is indicated for up to 450 F
According to Advanced Armament, attached Silencers can reach 600 degres in normal use and 800 with rapid fire/full auto. If the muzzle mounted silencer is getting that hot the flash hider will also get above 450.
http://www.advanced-armament.com/pdf/manuals/aac_manual_m4-1000.pdf