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 are machined from 4140 heat treated steel and has a phosphate finish. Flash Hider overall length is 5.5". Weighs 8.8oz. This has a 3/4" straight wall bore.
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 an 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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Product Reviews
10 Reviews Hide Reviews Show Reviews
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XM-177/GAU-5.5" Flash hider
It's a very well made moderator/flash hider.
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XM177 Flash Hider
Ties the whole XM177 build together. Really glad I went with this flash hider.
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Great product!
Very well made and great quality. Will buy another!
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Fine product
I put it on my 10.5" carbine pistol upper and it looks great! Planning on ordering another one.
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5.5" Flash Hider
Works perfect looks great
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Great quality
this gives you the look of the original moderator but with the required length to meet regulations, pre drilled for easy pin and weld.
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XM-177/GAU-5 5.5" FLASH HIDER
Supper fast shipping. Extremely pleased with the XM-177 flash hider. Will definitely order more parts soon.
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XM-177 Flash Hider
Perfect fit and finish, moderates the flash quite well on my SBR. Good product, worth the wait for USPS to finally get it to me.
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better than expected
finish was evenly coated, even got the pin to "pin" it.
