Adding an auto sear to a semi-automatic AR-15 takes a matter of minutes, says John Sullivan, the director of engineering at Defense Distributed, a DIY gunsmithing and gun access group. 3D-printing ...

A Drop-in Auto Sear (DIAS) is, ... the affidavit claims, “the defendant admitted to altering the AR-15 by installing a “Full Auto Kit” he purchased online. ...

The parts, called auto sears, can be fitted into semiautomatic weapons, including Glock pistols and AR-15 rifles, allowing shooters to empty their magazines with one pull of the trigger.

A West Virginia man named Timothy Watson was arrested last week for allegedly selling a 3D-printed wall hook that, when disassembled, was actually a “drop-in auto sear,” a small piece of ...

These auto sears also known as machine ... The MCD’s allow people to convert firearms such as Glock handguns and AR platform rifles into fully automatic weapons, illegally, with very few parts.

An ATF agent inspected the contents of the box and recognized them as drop-in auto sears, which when installed into an AR-15 allows the weapon to fire more than one round with a single trigger pull.

D.C. Police in June said they seized this 9mm caliber “ghost gun” during a raid on an apartment on K Street Northeast, near Trinidad. Police said it was equipped with an “auto sear ...

An ATF agent inspected the contents of the box and recognized them as drop-in auto sears, which when installed into an AR-15 allows the weapon to fire more than one round with a single trigger pull.