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CMMG Mk4 PDW Upper Group 300 Blackout 30B8188

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CMMG, Inc.
Ships from Warehouse 1
Typically ships the same business day when ordered before 4pm CST.
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CMMG is a leading manufacturer of AR-15 and AR-15 related accessories. CMMG's commitment to quality and creating product at the best value at the best price is unmatched.The Mk4 PDW (Personal Defense Weapon) Upper Group is CMMG?s smallest, most compact upper group equipped with the RKM7 KeyMod free floating hand guard and a nitrided 4140 CrMo steel barrel. For your convenience, a bolt carrier group is included and everything on this complete unit features a matte black finish. This item features an 8" Barrel and as such all NFA Rules Apply!

Features and Specifications:
Manufacturer Number: 30B8188
.300 AAC Blackout
8" Medium Taper Profile barrel threaded 5/8-24
4140 ChromeMoly barrel
1:7" Twist Rate
A2 Flash Hider
CMMG RKM7 KeyMod Hand Guard
Forged 7075-T6 Aluminum M4 Type Upper Receiver
Pistol Length Gas Port
Matte black

AR-15 Pistols or Lowers Registered with the ATF as SBR's (Short Barreled Rifles)


Item#: ARR-118-042
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