13.7" 5.56 NATO 1:7 Twist Black Nitride Mid-Length Barrel
Out of stock
Here at AR15Discounts.com we work with a wide variety of machine shops and barrel manufacturers. When we come across a barrel maker we like, we will often decide to private label those barrels for resale under the NBS brand. We purchase these barrels in large quantities and then pass the savings on to our customers.
Gas Port Size on these barrels have been updated to .078.
Why buy an NBS Brand Barrel:
- American Made – Sourced from a variety of Tier 1 Manufacturers here in the United States
- Quality Control – All barrels are manufactured under ISO-9001 or better quality standards
- MOA Guarantee – All barrels 16 and longer are guaranteed to hold 1 MOA or better using properly weighted match grade factory ammo and shooting from a rest.
- Best Value for the Money
| Weight | 30 oz |
|---|---|
| Dimensions | 15.7 × 3 × 3 in |
| Finish | Nitride / Melonite |
| Barrel Profile | Government / SOCOM |
| Cartridge Compatibility | 5.56 NATO |
| Gas Block Journal | 0.75 |
| Barrel Length | 13.7 |
| Gas System Length | Midlength |
| Platform | AR-15 |
| Twist Rate | 1-7 |
| Muzzle Thread Pattern | 1/2×28 |
| UPC | 9999913689 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
Customer Reviews
- Reviews
- Questions
- accuracy
- problems cycling
- chamber comp
- gas port hole
- thing bark
- description
- post gas port revision
- buffer
- chance
- reviewers
US
556 Ar 15 barrel midlenght
Very fast shipping and a very affordable price
United StatesGreat $60 barrel
Functions, wayyyy over gassed post gas port revision, but adjustable block and buffer makes it nice to tune. Pin weld 3 chamber comp makes this thing bark. Accuracy will be better assessed after brake in at next range day
Gas port fixed; g2g
Reading the other reviews I passed over this barrel a couple times but finally gave in and bought it when I saw the description updated to show the enlarged gas port hole the other reviewers spoke about was being added. Fit and finish are great. I haven't had the chance to test accuracy just yet but had no problems cycling during testing.
Cheap and accurate barrel.
Replaced my 10 inch barrel with this one. Had drill out the gas port due to manufacturing error that has since been fixed. Took it out to the range and it worked flawlessly. Shots out to 300 yards easily. No malfunctions. I would definitely recommend this barrel to someone. It’s very cheap but it’s well made and it does the job.
USGreat barrel, but….
The barrel was well finished and definitely shoots accurately. Overall, it was a good choice of barrel, however like others I encountered a cycling issue. I have completed several builds and had checked the alignment of the gas port multiple times. Unfortunately it would not cycle with the various factory loads I fed it. Based on a previous comment, I checked the port diameter. I opened it up slightly and it now runs like a champ. Nice barrel and I would recommend it but you might need to modify it.
