RTB 5.56 Barrel + FREE M4 Flat Top Anodized Upper Receiver - Stripped
Barrel Options & Specs:
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.
- Maximum Purchase:
- 20 units