Langdon Tactical Technology (LTT) specializes in customizing handguns, with a focus on Beretta, Sig Sauer, and HK platforms. The company was founded by Ernest Langdon, a competitive shooter and firearms instructor. Their most prominent product is the Beretta 92 Elite LTT, which includes a tuned trigger, improved sights, and ergonomic refinements. LTT also sells the Trigger Job in a Bag kit, allowing owners to upgrade compatible pistols at home.