Product Description
The TNTE XM177/GAU-5 Flash Hider & Grenade Ring is reproduction piece for your Retro carbine build. This flash hider has wrench flats, as well as flash hider cuts and grenade ring. The XM177 Flash Hider fits 1/2-28 threads, is machined from 4140 heat treated steel and has a phosphate finish. Flash Hider overall length is 5.5"
The shortest length barrel you can use with these and be legal for OAL is 11.3". Anything shorter after pin and weld will be a SBR. To correctly measure OAL you must insert a rod down the bore until it makes contact with the bolt face.
XM-177 Flash Hider
Phosphate Finish
4140 heat treated steel
1/2x28 thread
with wrench flats
3/32" hole pre-drilled for pin and weld
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better than expected
finish was evenly coated, even got the pin to "pin" it.
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Xm177 flash suppressor
Nice quality
