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BROWNELLS BRN-4 STRIPPED BARRELS CHROME LINED

Barrel Contour
Barrel Length
BRN-4 10.4" Barrel Medium Chrome Lined/Phosphate 5.56x45
Brownells #
430105149
MFR #
BN-BRN4556-CLMP-10.4M
UPC
050806500808
$329.99
Coupon Code FLASHBRN
Purchase Limit Help

In stock

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Specifications
Barrel Finish:
Manganese Phosphate
Gas Block Diameter:
0.750 Inches
Barrel Contour:
Medium
Gas System Length:
416
Barrel Length:
10.40
Item Length (Inches):
10.400
Muzzle Threads:
1/2"x28
Item Weight (lbs):
1.319
Twist:
1-7
Cartridge:
5.56x45 NATO
Material:
Steel
Color:
Black
Make Model Fit:
Brownells.BRN-4;Heckler & Koch.416
Model Number:
BRN-4
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)
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Description

Brownells BRN-4® HK® 416 compatible barrels, now with chrome bore and chamber

Historically extremely hard to procure, HK® 416 compatible barrels are now available as part of the BRN-4 lineup. Available in barrel lengths of 10.4, 13.7, 14.5 and 16 inch as well as medium and heavy barrel countours, these barrels are suitable for any need. Machined by Faxon, these barrels fit BRN-4 upper receivers and early generations of HK® 416 upper receivers and components. They are the perfect fit with the BRN-4 bolt carrier group and gas block (search “BRN-4” for all parts).

Chrome lined bore and chamber of these barrels has been the go-to for hard use rifle barrels for decades, and you will be extremely pleased with the smooth and crisp application by Faxon in these bores. The chrome is well applied, and just extends over the crown of the barrel and the edge of the chamber. Barrels are button rifled from 4150 chrome moly steel, the top choice for hard use barrels, with a 1-7 twist and have commonly used ½-28 muzzle threads for the attachment of the muzzle device of your choice. A matte black phosphate provides a corrosion resistant exterior.

The longer barrel extension of the BRN-4 allows for a robust matchup to the upper receiver, and a simple install with the BRN-4 barrel nut (430-100-141). 5.56x45mm NATO chamberings allow for a wide variety of commercially found ammunition to function, as well as 223 Remington cartridges. No need to worry about picking the right gas system length, as all of these barrels have the same piston rod assembly (078-000-644), just be sure to pick the correct BRN-4 gas block to match your overall barrel length, (078-000-708 & 078-000-709). The 13.7 inch barrel should use the 14.5/16 gas block. Be sure to pick up the gas block coil pins for final assembly as well (430-103-127).


Fit 416 A1-A3 Models and US model MR556 rifles.

**Brownells recommend H1 or H2 recoil buffer with carbine recoil spring for optimal operation.


*** Brownells recommends use of 5.56x45mm NATO newly manufactured quality ammunition for optimal operation


Recommended Barrel Nut Torque: 50-80 ft/lbs

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

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