ATF officials believe that the device was planted ... After the shooting, police say they found Brandon McQuillen barricaded in his car with an AR-15, supplies for explosive manufacturing, and ...

“ATF broke the law by being overreaching sneaky ... and for self-defense because they are smaller than a traditional AR-15 ...

but the ATF says the triggers qualify as illegal machine guns under federal law. MANHATTAN (CN) — A Texas company that produces triggers that allow AR-15-style rifles to fire like automatic weapons ...