RTB 300BLK Barrel + FREE Upper Receiver - Stripped

RTB 300 BLACKOUT BARREL + FREE M4 FLAT TOP ANODIZED UPPER RECEIVER - STRIPPED
Barrel Options & Specs:

RTB30016M - $127.95
Barrel Specifications
Caliber- 300 BLK
Length- 16"
Material- 4150 Chrome Moly Vanadium
Profile- Medium
Finish- QPQ Corrosion Resistant
Gas System Length- Pistol
Gas Block Journal- .750"
Dimpled?- No
Twist Rate- 1:7
Muzzle Thread- 5/8x24 TPI
Weight- 29.6oz
Barrel Extension- M4 Feed Ramps
Target Crown- 11 Degree

RTB300145M- $124.95
Barrel Specifications
Caliber- 300BLK
Length- 14.5"
Material- 4150 Chrome Moly Vanadium
Profile- Medium
Finish- QPQ Corrosion Resistant
Gas System Length- Pistol
Gas Block Journal- .750"
Dimpled?- Yes
Twist Rate- 1:7
Muzzle Thread- 5/8x24 TPI
Weight- 26.4oz
Barrel Extension- M4 Feed Ramps
Target Crown- 11 Degree

RTB300105M- $116.95
Barrel Specifications
Caliber- 300BLK
Length- 10.5"
Material- 4150 Chrome Moly Vanadium
Profile- Medium
Finish- QPQ Corrosion Resistant
Gas System Length- Pistol
Gas Block Journal- .750"
Dimpled?- No
Twist Rate- 1:7
Muzzle Thread- 5/8x24 TPI
Weight- 20.8oz
Barrel Extension- M4 Feed Ramps
Target Crown- 11 Degree

RTB30075M- $113.95
Barrel Specifications
Caliber- 300BLK
Length- 7.5
Material- 4150 Chrome Moly Vanadium
Profile- Medium
Finish- QPQ Corrosion Resistant
Gas System Length- Pistol
Gas Block Journal- .750"
Dimpled?- No
Twist Rate- 1:7
Muzzle Thread- 5/8x24 TPI
Weight- 21oz
Barrel Extension- M4 Feed Ramps
Target Crown- 11 Degree

RTB3006M- $108.95
Barrel Specifications
Caliber- 300BLK
Length- 6"
Material- 4150 Chrome Moly Vanadium
Profile- Medium
Finish- QPQ Corrosion Resistant
Gas System Length- Pistol
Gas Block Journal- .750"
Dimpled?- Yes
Twist Rate- 1:7
Muzzle Thread- 5/8x24 TPI
Weight- 14oz
Barrel Extension- M4 Feed Ramps
Target Crown- 11 Degree

MACHINED FROM 7075 T6 FORGINGS, THIS FREE UPPER RECEIVER FEATURES A MIL-STD 1913 RAIL FOR MOUNTING OPTICS AND ACCESSORIES AND HAS M4 FEEDRAMPS.
Machined from a Mil-Spec 7075 T6 forgingHard Coat Anodized per Mil-A-8625F, Type III
M4 Feed ramps
Made in the U.S.A

These uppers are machined to extremely tight tolerances for a more accurate build. Seating the barrel may take additional force. Light taps with a rubber mallet will do the trick.