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? about HK91 threaded barrel and flash hider
GreenLantern
Member Posts: 1,647 ✭✭✭
I have a flash hider that appears to be for a HK91 style of rifle. It's threaded on the inside, but on the outer circumference (at the back) is a cut-out groove that runs just over 1/4 of the outside diameter. Then there is a small hole about 1/4 of an inch from the grove. What would be the purpose of the grove and the hole?
Next, I have an SW3 that has the same exactly style of flash hider, but with a steel sleve on the inside (therefore now a muzzle brake for AWB reasons of course). There's a small amount of play when I move the muzzle brake back and forth as if I'm unscrewing it. What's keeping this thing on?
GL
Next, I have an SW3 that has the same exactly style of flash hider, but with a steel sleve on the inside (therefore now a muzzle brake for AWB reasons of course). There's a small amount of play when I move the muzzle brake back and forth as if I'm unscrewing it. What's keeping this thing on?
GL
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Mark T. Christian