Description
300 BLACKOUT COMPLETE UPPER ASSEMBLIES
AVAILABLE IN 6, 8.3, 10.3 AND 16 INCH BARREL LENGTHS
ALL UPPER ASSEMBLIES ARE BUILT WITH AERO PRECISION UPPER RECEIVERS AND BALLISTIC ADVANTAGE PREMIUM BARRELS. NICKEL BORON BCG AND STEEL CHARGING HANDLES. UPPER RECEIVER THROATÂ (see video 1). AND BARREL EXTENTIONS ARE POLISHED (see video 2) BARRELS ARE PREPARED USING A FIXTURE DESIGNED FOR US ARMY. (see video 3) ALL GAS BLOCKS ARE SECURED TO THE BARREL WITH ROLLPIN ( see Video 4 )
ALL UPPER ASSEMBLIES ARE RANGE TESTED (30 to 50 rounds); THEY ARE SHIPPED WITH THE FOLLOWING:
SIGNED AND DATED TEST TARGET
GARMIN CHRONOGRAPH TEST REPORT
FULL PAGE PICTURE OF BOX OF AMMUNITION USED FOR TESTING



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