So it turns out that the burst fire ratchet for AR-15's had been around since the 1960's and there was even a cog wheel designed for two-round burst! The four-way selector on the XM16E1 as depicted in Metal Gear Solid 3 wasn't total horseshit after all

>>63935786
Sheeeeeit

>>63935782
>no urban Americans of colour around to disturb your training
Good shit, anon