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RTB 5.56 Barrel + FREE Upper Receiver - Stripped

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Product Code:
$91.95 - $120.95
$91.95
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RTB 5.56 Barrel + FREE M4 Flat Top Anodized Upper Receiver - Stripped

Barrel Options & Specs:

RTB55616M4M
Barrel
Specifications
Caliber 5.56
Length 16"
Material 4150 Chrome Moly Vanadium
Profile M4
Finish QPQ Corrosion Resistant
Gas System Length Carbine
Gas Block Journal .750"
Dimpled? No
Twist Rate 1:7
Muzzle Thread 1/2x28 TPI
Weight 27.2oz
Barrel Extension M4 Feed Ramps
Target Crown 11 Degree


RTB55616GC

Barrel
Specifications
Caliber 5.56
Length 16"
Material 4150 Chrome Moly Vanadium
Profile Government
Finish QPQ Corrosion Resistant
Gas System Length Carbine
Gas Block Journal .750"
Dimpled? No
Twist Rate 1:7
Muzzle Thread 1/2x28 TPI
Weight 28oz
Barrel Extension M4 Feed Ramps
Target Crown 11 Degree


RTB55616GM

Barrel
Specifications
Caliber 5.56
Length 16"
Material 4150 Chrome Moly Vanadium
Profile Government
Finish QPQ Corrosion Resistant
Gas System Length MidLength
Gas Block Journal .750"
Dimpled? No
Twist Rate 1:7
Muzzle Thread 1/2x28 TPI
Weight 27.2oz
Barrel Extension M4 Feed Ramps
Target Crown 11 Degree


RTB55616PC

Barrel
Specifications
Caliber 5.56
Length 16"
Material 4150 Chrome Moly Vanadium
Profile Pencil
Finish QPQ Corrosion Resistant
Gas System Length Carbine
Gas Block Journal .625"
Dimpled? No
Twist Rate 1:7
Muzzle Thread 1/2x28 TPI
Weight 23.2oz
Barrel Extension M4 Feed Ramps
Target Crown 11 Degree


RTB55616PM

Barrel
Specifications
Caliber 5.56
Length 16"
Material 4150 Chrome Moly Vanadium
Profile Pencil
Finish QPQ Corrosion Resistant
Gas System Length MidLength
Gas Block Journal .625"
Dimpled? No
Twist Rate 1:7
Muzzle Thread 1/2x28 TPI
Weight 22.4oz
Target Crown 11 Degree


RTB556145GM

Barrel
Specifications
Caliber 5.56
Length 14.5"
Material 4150 Chrome Moly Vanadium
Profile Government
Finish QPQ Corrosion Resistant
Gas System Length MidLength
Gas Block Journal .750"
Dimpled? No
Twist Rate 1:7
Muzzle Thread 1/2x28 TPI
Weight 24oz
Barrel Extension M4 Feed Ramps
Target Crown 11 Degree


RTB556145PM

Barrel
Specifications
Caliber 5.56
Length 14.5"
Material 4150 Chrome Moly Vanadium
Profile Pencil
Finish QPQ Corrosion Resistant
Gas System Length MidLength
Gas Block Journal .625"
Dimpled? No
Twist Rate 1:7
Muzzle Thread 1/2x28 TPI
Weight 20.8oz
Barrel Extension M4 Feed Ramps
Target Crown 11 Degree


RTB556139PM

Barrel
Specifications
Caliber 5.56
Length 13.9"
Material 4150 Chrome Moly Vanadium
Profile Pencil
Finish QPQ Corrosion Resistant
Gas System Length MidLength
Gas Block Journal .625"
Dimpled? No
Twist Rate 1:7
Muzzle Thread 1/2x28 TPI
Weight 20.8oz
Barrel Extension M4 Feed Ramps
Target Crown 11 Degree


RTB556115GM

Barrel
Specifications
Caliber 5.56
Length 11.5"
Material 4150 Chrome Moly Vanadium
Profile Government
Finish QPQ Corrosion Resistant
Gas System Length Carbine
Gas Block Journal .750"
Dimpled? No
Twist Rate 1:7
Muzzle Thread 1/2x28 TPI
Weight 20.5oz
Barrel Extension M4 Feed Ramps
Target Crown 11 Degree


RTB556105GM

Barrel
Specifications
Caliber 5.56
Length 10.5"
Material 4150 Chrome Moly Vanadium
Profile Government
Finish QPQ Corrosion Resistant
Gas System Length Carbine
Gas Block Journal .750"
Dimpled? No
Twist Rate 1:7
Muzzle Thread 1/2x28 TPI
Weight 18.4oz
Barrel Extension M4 Feed Ramps
Target Crown 11 Degree


RTB55675M

Barrel
Specifications
Caliber 5.56
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 1/2x28 TPI
Weight 16.8oz
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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