If it is newer than M855 (the mid-1980s) and it is military, you can be sure it is 5.56 and should be treated accordingly.

AR-15 Basics: .223 vs. 5.56×45 NATO

A .223 Remington and 5.56X45 are not the same. The 5.56 has a longer leade, a longer distance between the bullet start and the onset of the rifling. Here's why it matters.

2017 SHOT Show Guns & Gear Preview

With the 2017 SHOT Show less than a week away, we preview some of the excellent new guns and gear available to shooters in 2017.

YHM Introduces New Turbo 5.56 Suppressor

Yankee Hill Machine has brought out its new Turbo 5.56 suppressor, a high quality option at a relatively affordable price point.

FN Adds M249S Para to Military Collector Series

FN is expanding its Military Collector Series with the new M249S Para, a semi-auto replica of the M249 developed for paratroopers.

First Look: Colt Delta Elite Rail Gun

Colt is improving on its 10mm Auto Delta Elite once more, this time making it a true rail gun by adding an accessory rail for attachments.

Choosing the Right Hunting Revolver

Finding a hunting revolver that suits you well is critical. Should you choose a single- or double-action? .357 Mag. or .44 Mag? .454 Casull? Long barrel? Short barrel? Scope? Open sights? What configuration will fulfill your needs?

GET CONNECTED

0FansLike
2,163FollowersFollow
63,957FollowersFollow
2,390SubscribersSubscribe
Free Downloads
GO

MUST READ