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RTB 300BLK Barrel + FREE Upper Receiver - Stripped

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Product Code:
$108.95 - $127.95
$108.95
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RTB 300 Blackout Barrel + FREE M4 Flat Top Anodized Upper Receiver - Stripped

Barrel Options & Specs:

RTB30016M

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

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

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

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

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.




Add a plain or engraved port door + forward assist kit from the drop down menu.

Choose one of our upper engraving graphics from the drop down menu.

See reference "CHART A" and "CHART B" tabs above.

PORT DOOR GRAPHIC
ENGRAVING REFERENCE CHART

THESE ENGRAVED PORT DOORS COME WITH ALL HARDWARE NEEDED FOR THE PORT DOOR AND FORWARD ASSIST

EXAMPLE



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Maximum Purchase:
20 units
UPPER RECEIVER GRAPHIC
ENGRAVING REFERENCE CHART

H
AVE YOUR UPPER PRECISION LASER ENGRAVED

OUR LASER ENGRAVED UPPERS COME WITH A PERMANENT AND EXTREMELY GOOD LOOKING HIGH CONTRAST WHITE MARKING


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