Description
This Barreled 16 inch M-LOK upper receiver comes with our RTB 12 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel.
Barrel:
LENGTH - 16"
MATERIAL - 4150 CHROME MOLY VANADIUM
11-DEGREE TARGET CROWN - FURTHER IMPROVE ACCURACY
PROFILE - M4
FINISH - QPQ CORROSION RESISTANT
GAS SYSTEM LENGTH - CARBINE
GAS BLOCK JOURNAL - .750" GAS BLOCK JOURNAL
TWIST RATE - 1/7 TWIST
MUZZLE - 1/2X28 THREADED
WEIGHT - 28OZ
Upper Receiver:
Machined from a Mil-Spec 7075 T6 forging Hard Coat Anodized per Mil-A-8625F, Type III
M4 Feed ramps
Made in the U.S.A.
Handguard:
MATERIAL: HARD COAT ANODIZED ALUMINUM HANDGUARD, ALUMINUM BARREL NUT
PRECISION BORE
ACCEPTS M-LOK RAIL SECTIONS & ACCESSORIES
7075-T6 BARREL NUT
RAIL LENGTH IS MEASURED ALONG THE TOP
INNER DIAMETER: 1.36"
SKU: RTBBU-1655612-BLK
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