AR-15 rifle: history, design, variants, uses, and legal considerations AR15 Overview of the AR-15: its origins, engineering and variants, common calibers and uses, manufacturers, and legal and regulatory considerations across jurisdictions
Bullpup (firearm layout) Bullpup A bullpup places the action and magazine behind the trigger and grip, allowing full barrel length in a shorter overall weapon. Covers design, history, pros and cons, technical solu…
