Introduction​
Terms like frt triggers, drop in auto sear, and Glock switches have become increasingly visible in online discussions about firearms.
Key Devices and Components​

Drop-in auto sear: A small part that can convert an AR‑15 into a fully automatic weapon.
glock switch keychain and incognito switch glock: Compact devices that enable rapid fire in Glock pistols.
auto sear ar15 : Similar to the drop‑in sear, specifically designed for AR‑15 platforms.
frt-15l3 and echo trigger: Examples of forced reset triggers that increase firing speed while remaining semi‑automatic.
Alamo 15 trigger and WOT trigger: Other forced reset trigger variants that have been subject to legal scrutiny.
h2 buffer and h3 buffer: Components that affect recoil and cycling in AR‑15 rifles.