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Rapidrob
January 04, 2015, 18:33
I was just given a muzzle brake for my HK91 and have not been able to find any info on. It is adjustable from A-D and is screws onto the threads on the muzzle.
Any info/instructions for this break?

http://i31.photobucket.com/albums/c374/Rapidrob/break3_zps8ed8fe61.jpg

http://i31.photobucket.com/albums/c374/Rapidrob/brake4_zps8ee62fb8.jpg

http://i31.photobucket.com/albums/c374/Rapidrob/break2_zps04af67b8.jpg

gunplumber
January 04, 2015, 18:35
don't know who made it, but it's of no particular use for a roller-lock. The angled adjustment work well for guns utilizing a rotating bolt, where the recoil tends to cause muzzle to climb up and right. The HK (and FAL) Non-rotating bolt just go up.