4.5" Straight Profile Barrel 9mm | 1/2 X 36
This 9mm 4.5 inch Straight Profile Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish.
This 4.5” barrel is a fully machined barrel precision-crafted from 4150 Chrome Moly Vanadium, rifled with a 1:10 twist and QPQ coated inside and out. The result is an accurate barrel that stays that way without chipping or peeling coatings and little risk of damage from corrosion, regardless of your operating environment.
**These barrels do not have index pins**
- Length - 4.5"
- Material - 4150 Chrome Moly Vanadium
- Profile - Straight
- Finish - QPQ Corrosion Resistant
- Gas System Length - None
- Gas Block Journal - N/A
- Twist Rate - 1:10 inches
- Muzzle - 1/2x36 Threaded