Historically, most magazine-capable firearm designs have had no magazine disconnect.

The mid-19th century was a time in American history that gave birth to a number of innovative firearm designs.

Magazines are one of the most important elements of any firearm design.

But, firearm designs incorporating fewer safeties are not intrinsically unsafe-see discussion of long-guns above-even if they do require competence and proper training for safe use.

Z-M Weapons is a firearm design and manufacturing firm based in Bernardston, Massachusetts.

The flintlock action was a major innovation in firearm design.

The Liberator is a 3D-printed handgun, the first such firearm design that has been publicized and made widely available.

Without the case to provide this seal, the firearm design must account for this and provide a means of sealing the rear of the chamber.

These trends have significantly changed during the centuries of firearm design and re-design.

The pistol was advertised as "the safest pistol on the market", due its five separate safety systems, four of which are in wide use by other firearm designs: