Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced.
UPC
815835016238
Manufacturer
CMMG
Manufacturer Part Number
30D120A
Caliber/Gauge
.300 AAC Blackout
Length
16.10"
Model
Barrel Sub-Assembly
Rate of Twist
1:7"
Product Type
Rifle
Barrel Length
16.1"
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