l_100026221_2.jpg
l_100026221_4.jpg
l_100026221_2.jpg
l_100026221_3.jpg
2 / 4
l_100026221_2.jpg
l_100026221_4.jpg
l_100026221_2.jpg
l_100026221_3.jpg
OFF

BROWNELLSBarrel 5.56mm Nato 18 1-7 Rifle Length Black

Barrel 5.56mm Nato 18 1-7 Rifle Length Black
Brownells #
100026221
MFR #
BN-15B57R18NCQ-
UPC
050806029514
$236.99

In stock

Add To Favorite

Add to existing list
Select a list

Or create new one:

List name
Can we ship this to you? (US only)
Specifications
Barrel Contour:
MK12
Barrel Finish:
Black Nitride
Barrel Length:
18.00
Gas Block Diameter:
0.750 Inches
Cartridge:
5.56x45 NATO
Gas System Length:
Rifle
Color:
Black
Make Model Fit:
AR-15.Universal
Model Number:
Mk12
Muzzle Threads:
1/2"x28
Item Length (Inches):
18.000
Twist:
1-7
Material:
416 Stainless Steel
Quantity:
1
Restriction
Restricted Part:
Yes
Prop 65 restriction:
WARNING: This product may contain chemicals known to the state of california to cause cancer and birth defects or other reproductive harm
Can we ship this to you? (US only)
Description

Made In The U.S.A.

Products marked with the Stars and Stripes are proudly made in the U.S.A.

Many customers have asked us to show which products are made in America, and we’ve begun working with our vendors to identify them. This information, however, is not available for all items nor does it imply that foreign merchandise is of lesser quality. We will continue to gather this information to assist our customers in making informed buying decisions, and will keep our website current with the latest information.

Guaranteed. Forever.®

We make purchasing and returning products as simple as possible. If you buy a product from Brownells and decide you don’t need it, don’t want it, or just don’t like it, we’ll take it back any time… with a few exceptions

Exceptions include: 

  • Firearms
  • Ammunition
  • Modified 80% frames & receivers 
  • Gun powder
  • Primers
  • Liquids
  • Limited Quantity/Hazardous items
  • Products that are subject to pending or implemented restrictions due to Federal, State, or Local regulation/legislation

All other products are Guaranteed. Forever.® you can easily identify these products by the Guaranteed. Forever.® Icon.

Guaranteed. Forever.

Guaranteed. Forever.® return policy applies to the product’s original owner along with proof of purchase. Any items returned within 45 days of shipment are entitled to a refund. Any items returned after 45 days of shipment will be issued store credit in the form of a Brownells Gift Card. If a Brownells/Sinclair product was purchased through another retailer as a new product we will require proof of purchase to replace or refund.  (Refund will be issued as store credit in the form of a Brownells gift card.)  

AR-15 MK12 18" 5.56MM BARREL

The MK12 platform received fame for its use with US Special Operations groups as a semi-automatic precision rifle, and one of the essential elements of the platform is now offered as the Brownells 5.56 NATO MK12 Profile AR-15 barrel. The Brownells 5.56 NATO MK12 Profile AR-15 barrel are completely machined and finished by craftsmen in the USA and are made using stainless-steel bar stock that's 416-R certified steel and completely stress relieved. The barrels measure 18 inches long.

  • Features 1:7 rate of twist
  • Suppressor ready with 1/2x28 TPI threads
  • Features 11-degree target crown
  • Each barrel undergoes magnetic-particle inspection for quality

The Brownells 5.56 NATO MK12 Profile AR-15 barrel also features a complete nitride treatment, as well as precision machining for perfect suppressor compatibility.

Restricted Part
Please check with your state regulations for ownership of Restricted Parts. May require documentation.

Prop 65WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov

Video poster
Please select a FFL Dealer

or
0 dealers near undefined
Distance:
10miles
arrow-down
5 miles
10 miles
25 miles
50 miles
100 miles
Sort by:
Nearest first
arrow-down
Nearest first
Farthest first
Dealer name from A--Z
Dealer name from Z--A
  • Pin in Brownells Featured Dealers

    Choosing a Brownells Featured Dealer is the fastest and easiest way to complete your purchase. Brownells Featured Dealers have agreed to perform FFL transfers on guns purchased online from Brownells. We have their necessary FFL information on file and your FFL order will ship directly to them once processed.

  • Pin in Standard Dealers

    Standard Dealers have not yet agreed to perform FFL transfers on guns purchased online from Brownells. If you choose a Standard Dealer, you are responsible for contacting that dealer and arranging for the dealer to submit a signed copy of an FFL and to give Brownells permission to ship the gun.

  • Pin in Not Available Dealers

    Not Available Dealers are dealers Brownells cannot ship guns to at this time. These dealers either do not meet our requirements for FFL transfers, or prefer to not perform transfers for guns purchased online from Brownells.

Switch view map
0 dealers near undefined

You May Also Like

Left Badge
Right BadgeOFF 
5 Stars

200

300

Customers Also Viewed

Left Badge
Right BadgeOFF 
5 Stars

200

300