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Page AR-15 » Rifles, Uppers, Lowers, Barrels, and more
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Site News 2024's Favorite CCW? | PSA Micro Dagger
Archived [ARCHIVED THREAD] - M-4 upper
Posted: 9/9/2003 8:40:23 AM EDT
Just picked up my M-4 today(had it built)the upper has a mini y-comp that seems to be machined into the barrel.Any one know who makes these?

Link Posted: 9/9/2003 8:50:27 AM EDT
[#1]
An Integral Y comp type brake?
Definetly a  Model 1 Sales upper. 1/9 twist chrome moly.

Link Posted: 9/9/2003 9:08:23 AM EDT
[#2]
I measured it it's 16in. w/brake.Are these M-1 sales uppers good?

Archived [ARCHIVED THREAD] - M-4 upper
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