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Rock River Arms 4.5" A4 AR-15 Upper
Rock River Arms 4.5" A4 AR-15 Upper

Rock River Arms 4.5″ A4 AR-15 Upper, 223/556, W/BCG, M-LOK Rail

Rated 5.00 out of 5 based on 5 customer ratings

Original price was: $549.00.Current price is: $510.57.

$549.00
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SKU:
RRA-AR0369B
BRAND:
Rock River Arms
MANUFACTURER NUMBER:
AR0369B
CALIBER:
223 Remington
CALIBER:
5.56x45mm
UNIT OF MEASURE:
Each
FITS:
AR-15

SKU: RRA-AR0369B Category: Tags: ,

Description

4.5 INCH A4 UPPER HALF .223/5.56MM – WITH RRA LIGHTWEIGHT FREE FLOAT RAIL, M-LOK® COMPATIBLE

ALL NFA RULES APPLY.
CALIBER:5.56MM NATO CHAMBER FOR 5.56MM AND .223 CALIBER
UPPER RECEIVER:FORGED A4
BARREL:4.5 INCH CHROME MOLY, FULL AUTO CHAMBER, 1:9 TWIST
GAS BLOCK:LOW PROFILE GAS BLOCK
MUZZLE DEVICE:SMITH VORTEX FLASH SUPPRESSOR / 1/2–28 THREAD
HANDGUARD:RRA LIGHTWEIGHT ALUMINUM FREE FLOAT, 4.25 INCH PISTOL LENGTH, M-LOK COMPATIBLE
INCLUDES:BOLT CARRIER GROUP, CHARGING HANDLE ASSEMBLY AND LOW PRO M-LOK® COMPATIBLE HANDSTOP
NOTE:ALL NFA RULES APPLY.

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