Makes Your Shooting A Breeze Even With Coated Ammunition
The POF 16.5 Inch E2 Barrel – 5.56 NATO – Midlength is an excellent option for your next AR build that features a 5R rifling profile with a 1:8 twist rate. It has the POF patented E2 extraction technology which increases the life on the extractor, increases reliability through dual extraction, and makes shooting a breeze even with coated ammunition.
This 16.5-inch barrel has a mid-length gas system and treated with salt bath nitride from the inside and out that greatly increases surface hardness and makes for a beautiful black and corrosion-resistant finish.
Constructed From 4150 Chrome Vanadium Steel
The POF 16.5 Inch E2 Barrel – 5.56 NATO – Midlength is constructed from mil-spec 4150 chrome vanadium steel which is more rigid and rugged steel than most standard mid-length barrels.
It is durable and lightweight that has M4-style extended feed ramps and will fit any standard mil-spec upper receiver.
Features:
- Caliber: 5.56 NATO match chamber(accepts .223 Remington)
- Length: 16.5″
- Barrel Twist: 1:8″
- Gas System Length: Mid-length
- Gas Block Diameter: .750″
- Finish: Salt bath nitride treated
- Barrel Extension: M4 feed ramps
- E2 extraction technology
- 5R Rifling
Specifications:
| Caliber | 5.56 NATO/.223 Remington |
| Barrel Length | 16.5 inches |
| Barrel Twist Rate | 1:8 inches |
| Barrel Material | 4150 CMV |
| Muzzle Threads | 1/2/2028 |
| Barrel Finish | Black Nitride |
| Gas Block Size | .750″ Gas Block |
| Fit | AR-15 |
| Barrel Profile | Medium |
| Barrel Gas System | Midlength |
| Gas Block Journal Length | 1.1 inches |
| Barrel Extension | M4 |























