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CMMG Mk4LE Upper Group 300 Blackout 30BF8C0

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CMMG, Inc.
Typically ships the same business day when ordered before 4pm CST.
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This CMMG complete upper assembly is chambered in .300 AAC Blackout. Simply add a rear sight, mount it to a complete AR-15 lower, and head to the range.

Features and Specifications:
Manufacturer Number: 30BF8C0
CMMG AR-15 Complete Upper Assembly
.300 AAC Blackout
16" Barrel
1:7" twist, 5/8-24 threaded
A2 Front Sight
M16 Bolt Group
M4 Handguards
Black Finish


Item#: ARR-118-033
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