3-round burst for pistols

 is upgrades data for technicians that appears in S.T.A.L.K.E.R.: Lost Alpha.

"Detailed information with all necessary schematics for the SiG P220 and Walther P99 pistols, allowing to enable a 3-round burst mode."

- PDA information

Overview

 * Upgrades data in general allow technicians to perform certain upgrades on weapons and armor.
 * The  upgrade data enables the Three round burst mode upgrade for the SIP-t M200, the Walker P9m and the Walker 9x18.
 * Upgrades data are unique, i.e. only one specimen each exists on the board.
 * Acquisition differs in v1.4005 and v1.4007:
 * v1.4005: The upgrade flash drive rests in the chimney of the Green House in Garbage where Bes and his team resides.
 * v1.4007: The upgrade flash drive can be found within the Green House in the desk next to the AK of the doomed one.