Luth-AR
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4150 Chrome Molly Vanadium 5.56 mm, button broached barrel. The barrel is threaded with a 1/2x28 thread pitch, a 1-7 RH twist rate with 6 lands and grooves and an M4 feed ramp. This barrel takes a .750 gas block.
| Thread Pattern: | 1/2"x28 |
| Caliber: | 5.56mm |
| Diameter: | .750 |
| Barrel Material: | Chrome Moly Vanadium |
| Barrel Type: | Carbine Length |
| Barrel Finish: | Black Phosphate |
| Grooves: | 6 |
| Barrel Description: | Button Broached |
| Firearm Fit: | AR-15 |
| Weight: | 1.60 lbs |
| Barrel Length: | 11.50" |
| Twist: | 1:7 RH |