<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31333698</termId><termName>blow-forward action</termName><termType>PT</termType><termNote><![CDATA[ Describes automatic and semiautomatic firearms in which the pressure of the propellant gas is used to force the barrel forward from a standing breech to open the action and eject the fired case. A spring brings the barrel back to firing position and also reloads and cocks the firearm. ]]></termNote><termCreatedDate>2026-03-30 20:29:55</termCreatedDate><relation><relationType>UF</relationType><termId>31333699</termId><termName>action, blow-forward</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31333700</termId><termName>blow forward action</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31333701</termId><termName>blow-forward system</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31333702</termId><termName>system, blow-forward</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31311711</termId><termName>self-loading</termName><termType>PT</termType></relation></term>  </Zthes>