This 5.56 chambered 18 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.
This barrel features a longer .750” profile dimension necessary for proper installation of the OPS Inc 12th model collar and suppressor.
Additional Info
| Length |
18" |
|---|
| Material |
4150 Chrome Moly Vanadium |
|---|
| Profile |
SPR |
|---|
| Finish |
QPQ Corrosion Resistant |
|---|
| Gas System Length |
Rifle |
|---|
| Gas Block Journal |
.750" |
|---|
| Twist Rate |
1:7 inches |
|---|
| Muzzle |
1/2x28 Threaded |
|---|
| Weight |
41oz |
|---|
| Other Info |
No |
|---|
Product Video
