10.5" 416R Stainless Steel M4 Contour Barrel, 5.56 NATO, Carbine Length Gas - B556CM410.518(SS)
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.
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.
- Hassle Free Returns
- Best Value for the Money
- NBS Limited Lifetime Warranty
| Weight | 20.16 oz |
|---|---|
| Dimensions | 12.5 × 3 × 3 in |
| Finish | Stainless |
| Barrel Profile | Government / SOCOM |
| Gas System Length | Carbine |
| Gas Block Journal | 0.75 |
| Barrel Length (inches) | 10.5 |
| Barrel Chamber | 5.56 NATO |
| Platform | AR-15 |
| Twist Rate | 1-8 |
| Muzzle Thread Pattern | 1/2×28 |
| MPN | B556CM410.518(SS) |
| UPC | 183-B556CM410.517(SS) |
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
United States
1MOA w 62grain at 100yards
Very impressed, got a sold series of 1MOA groupings at 100 yards with 62 grain green tip ammo. Well above what I expected from a barrel at this price point. NBS tallies another win in my book.
USGreat barrel
Haven’t shot, but looks great and installed like it should
USGreat Barrel
Shoots nice and pretty accurate. Great barrel for the price.
US
Great well made barrel
I was looking for a 10.5" stainless barrel and this fit the bill. The price was right, it's very well constructed and it's always a pleasure doing business w/ ar15discounts.com!
USNBS 10.5" S/S 5,56 NATO barrel
Assembling the upper, everything fit and did not need any washers to index the forward handguard...
