Acronyms

We use acronyms and abbreviations. Most of them are generally accepted and we think most of you know what they are. If not, here’s what we mean:

BCG- Bolt Carrier Group

CH- Charging Handle

5.56- 5.56 x 45mm NATO

NATO- North Atlantic Treaty Organization

BLK- blackout

300BLK- 300 AAC Blackout

mm- millimeters

FPS- feet per second

RPM- revolutions per minute

NFA- National Firearms Act

ATF- Bureau of Alcohol Tobacco Firearms and Explosives

Thousandth- .001 inch

Tenth- .0001 inch

SAAMI- Sporting Arms and Ammunition Manufacturers Institute