Looking to build an AR-15? What caliber will you choose? .223 is just the start. Before you get into the build, you need to know exactly what you want your rifle to do. You can always stick with the traditional 5.56, but is that the right choice? Here’s a list of the most popular calibers and what they deliver.
Gunsmithing
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Build an AR-15: Step by Step–Series Introduction
Published: June 30, 2015 { 26 comments }The writer’s at GunsAmerica are coming to gether to share their expertise. Over the next few weeks we’ll be featuring expert opinions on the ins-and-out of building an AR from the ground up. If you’ve got that itch to do it yourself, or have ever thought you might build an AR-15, this series is for you. Here’s the intro…
80% Arms Billet Aluminum Lower Build–No Milling Machine Needed
Published: May 30, 2015 { 67 comments }We’ve covered do-it-yourself lowers, but are here today with a new installment. This 80% lower is cut from an aluminum billet. And you can finish it off with a few simple tools. No milling machine needed. The jigs and instructions from 80% Arms make finishing their lower surprisingly easy. Check out or review of the process.
We Test Sig Sauer’s New 300 Blackout Match Subsonic Ammo
Published: February 27, 2015 { 9 comments }We’re starting a new project here: The Great GunAmerica Ammo Adventure. Each week, we’ll take an in depth look at a specific cartridge. Not a brand, but a specific brand, model, caliber and loading. First up? New 300 Blackout from Sig.
Polymer80’s New 80% .308 Receiver–SHOT Show 2015
Published: February 5, 2015 { 16 comments }Ploymer80 makes 80% lower kits. Now they’re making them in .308, too. How easy is it to put one of these together? We’ll find out. By the time you read these words, they should be getting ready to ship. Who wouldn’t want to cut their own AR-10 style lower?
The OIP 3.8 Pound AR–SHOT Show 2015
Published: February 3, 2015 { 40 comments }The AR-15 is hardly a heavyweight rifle. Still, the speed of the .223 allows it to punch above its weight. Still, if you carry one all day, day in and day out, you may complain about the rifle’s weight. And now Battle Arms Development has designed a new rifle that weighs in under 4 pounds. We got to see them at SHOT Show. Read more….
Rock River’s LAR-47 – 7.62×39 M4 Carbine Takes AK Mags – New Gun Review
Published: February 1, 2015 { 32 comments }This past week we ran a extremely popular SHOT article on the new AR pistol from MGI chambered in the 7.62×39 cartridge, which we generally think of as exclusive to the AK-47 and SKS class of rifles. Many people noted in the comments out there that there are other options for ARs that take AK mags, and it so happens that we put the https://rockriverarms.com/lar47″>Rock River LAR-47 through its paces some time ago. Since the gun is available for sale right now, this week is a good time to run it.
AR Pistol 7.62×39 Takes AK Mags! – MGI Hydra -SHOT Show 2015
Published: January 29, 2015 { 54 comments }MGI has the most innovative modular rifle on the market today. You want one serialized lower on which you can run just about anything else you want? MGI has it. We’ve put the Hydra system to the test–and couldn’t be more pleased with the way this thing runs. So what’s new for 2015?
A New Line of Cabot 1911s–SHOT Show 2015
Published: January 27, 2015 { 31 comments }The news from Cabot is welcome, for sure. They’re putting out a value line of 1911s now that cuts some of their previous prices in half. They may not have as many cosmetic extras, but these guns are smooth and rack like their more expensive brethren. Check out what’s new at the top of the 1911 food chain.
Watch Bolo Round Devastation in Slow Motion
Published: December 23, 2014 { 4 comments }Funker Tactical looks at the devastating impact of the bolo round in slow motion.









