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GM UPPER PARTS
GORILLA MACHINING STRIPPED UPPER RECEIVER
Gorilla Machining M4A4 .458 Socom Mueller Industries Stripped Upper Receiver
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Gorilla Machining M4A4 .458 Socom Mueller Industries Stripped Upper Receiver
1
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5
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Your Price:
$49.99
Retail Price:
$89.99
Your Savings:
$40.00
(44%)
GM M4A4 .458 Socom Mueller Industries Stripped Upper Receiver
Part Number:
GM-MIS-458-1
Availability:
Out of Stock
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Description
Customer Reviews
Precision machined to correct Mil-Specs from 7075 T6 Forgings
Mueller Industries Upper Receiver Fully MIL-STD M4A4
.458 Socom Upper Receiver
Mil-Std 1913 Rail for mounting optics and accessories
Machined for use with barrels that use an M4 barrel extension
Hard Coat Anodized per Mil-A-8625F, Type III, Class2
Dry Film Lube on interior bore per Mil-Specs
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EXCELLENT 458 UPPER
I bought two of the Muller 458 stripped uppers from the good folks at Gorilla Machining, and received fast service and excellent stripped uppers. The stripped Muller uppers I received were everything I wanted/ needed. I have already used one for a 450 Bushmaster pistol build using an 10 1/2" KAK barrel. I've only put 40 rds thru it so far, but have no issues, and only great things to say about these.
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Reviewed by:
(Verified Buyer)
Ozark Larry
from Bourbon, MO on 9/20/2020
5
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