New for 2019: Brownells BRN-605 Carbine

posted on January 5, 2019
Brownells continues to expand its lineup of classic AR-15 rifles in 2019, bringing its new BRN-605 Carbine into the collection. This new model is based on an experimental variant of the early M16s, the Colt 605A, which was designed to put a lighter, more-compact rifle into the hands of U.S. troops. Though the Colt 605A never saw military service, the innovative design led to later carbine variants of the AR-15 and M16, including the CAR-15, XM177 and the still-issued M4, making it an important part of U.S. military history.

“The Model 605 is a unique firearm that Retro enthusiasts have always been interested in due to its rarity and unique barrel configuration,” said Paul Levy, Brownells director of product management. “We’re excited the BRN-605 is the first commercially-available variant. It’s a pleasure to shoot, with its full-length gas system and light weight.“

Built on the same upper-and-lower receiver set as the XBRN16E1, the BRN-605 retains some similarities to this prior reproduction, retaining the full-length, Type D stock, carry-handle upper, triangular handguard and an A1 front-sight gas block. Consumers will immediately notice the stunted look of the BRN-605, though, as the barrel measures 4.5 inches shorter than the full-length rifle, coming in at 15.5 inches. The rifle-length gas system is retained, though, so the barrel ends just forward of the gas block. To avoid NFA regulation, a period-correct, three-prong flash hider is pinned and welded into place, bringing the overall barrel length above the 16-inch minimum length required.

Early variants of the Colt 605A suffered reliability issues related to the shorter dwell time caused by the cut-down barrel. Brownells addressed this issue on the modern BRN-605 by drilling a larger gas port for more-reliable operation. To gain the best-possible performance out of the carbine, the company recommends running 55-grain M193 ammunition. The 5.56 NATO-chambered barrel features a 1:12-inch rate of twist to optimize accuracy with modern-day 55-grain ammunition, and a 9310 carbon-steel bolt-carrier group is chrome-plated to provide enhanced lubricity and corrosion resistance.

Each Brownells BRN-605 measures 34 inches long, weighs 7.5 pounds, unloaded, and comes with an all-black finish. The guns are made in the USA and ship with a single 20-round magazine. The suggested retail price on the carbine is $1,299.99.


Sheriff Jim Wilson
Sheriff Jim Wilson

Rule #3: The Golden Rule

They're called the rules of gun safety, not the suggestions, not the guidelines.

First Look: Bushnell Match Pro ED 5-30x56 FFP Rifle Scope

New features abound in this upgrade to Bushnell's popular Match Pro series.

I Carry: SCCY CPX-2 In A Blade-Tech Klipt Holster

This gear, along with a ThruNite Archer 2A V3 flashlight, helps you defend your life without emptying your wallet.

Henry Repeating Arms Donates to First Responders Children’s Foundation

Guns For Great Causes continues its tradition of providing to those in need.

First Look: Holosun SCS Optic for Smith & Wesson M&P M2.0 Pistols

The Holosun SCS-MP2 mounts directly onto a full-size or compact M&P M2.0 pistol.

Review: Armscor STK100

The STK100 mates a striker-fired system to a full-size aluminum frame, creating a surprisingly happy marriage.


Get the best of Shooting Illustrated delivered to your inbox.