Brownells has released a three-part video series showing how to properly choose an AR-15 barrel based on the three criteria: caliber, twist rate and gas system length.

Filmed in Brownells’ own studio, the videos feature an expert Gun Tech and are scripted to present information accessible to novice AR-15 builders, but still useful to the most experienced gunsmith.

The Caliber Video shows the difference in chamber dimensions between the .223 Remington and 5.56 NATO, and explains the .223 Wylde chamber and its potential advantages. It also examines other popular caliber choices for the AR-15 platform, such as the .204 Ruger, 300 AAC Blackout, 6.5 Grendel, .22 LR and others.

The Twist Rate Video shows how a barrel’s rifling twist rate is measured, and how slower or faster twist rates stabilize projectiles from lightweight varmint bullets to heavy match bullets.

The Gas System Video explains the different lengths of AR-15 gas systems, the potential advantages of certain lengths, and how to choose the appropriate gas tube.

“AR-15 parts, tools and accessories are a very important part of what we do,” said Brownells President/COO Matt Buckingham. “We made these videos in response to some very common questions we get about AR-15s, and to help our customers get the key information they need to successfully build their own rifles.”

Contacts

Larry Weeks, Public Relations Manager
(641) 623-8071 larry.weeks@brownells.com

Image courtesy Brownells

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