Blow-forward is a firearm operation type where the friction and pressure of the bullet traveling down the bore drag the barrel forward. Most mechanisms require that the remainder of the firearm also recoil away from the barrel for proper operation. Due to the reduced mass of rearward-traveling parts, recoil energy is significantly greater than other operating mechanisms. The barrel and spring are generally the only moving parts.
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| - Blow-forward is a firearm operation type where the friction and pressure of the bullet traveling down the bore drag the barrel forward. Most mechanisms require that the remainder of the firearm also recoil away from the barrel for proper operation. Due to the reduced mass of rearward-traveling parts, recoil energy is significantly greater than other operating mechanisms. The barrel and spring are generally the only moving parts.
- Blow-forward is a firearm operation where the barrel is virtually the only moving part of the weapon that is forced forward against a spring by the cartridge pressure and friction of the projectile against the rifling. The first weapon to use this operation was the Steyr Mannlicher M1894 pistol of Austro-Hungarian origin, followed by the Schwarzlose Model 1908, Hino Komuro M1908 Pistol, Mk 20 Mod 0 40mm automatic grenade launcher, the Special Operations Weapon, and the Pancor Jackhammer, the last known weapon to use this operation. The first rifle to use such an action was the experimental SIG AK53 battle rifle.
- Blow forward is a firearm operation type where the friction and pressure of the bullet traveling down the bore drag the barrel forward. This mechanism requires that the remainder of the firearm recoil away from the barrel for proper operation. Due to the reduced mass of rearward-traveling parts coupled with the increased mass of the forward moving parts (barrel in addition to bullet and propellant gasses), recoil energy is significantly greater than other operating mechanisms. The barrel and spring are generally the only moving parts. The operation can be best characterized as a combination of recoil and blowback operation.
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| - Blow-forward is a firearm operation type where the friction and pressure of the bullet traveling down the bore drag the barrel forward. Most mechanisms require that the remainder of the firearm also recoil away from the barrel for proper operation. Due to the reduced mass of rearward-traveling parts, recoil energy is significantly greater than other operating mechanisms. The barrel and spring are generally the only moving parts.
- Blow-forward is a firearm operation where the barrel is virtually the only moving part of the weapon that is forced forward against a spring by the cartridge pressure and friction of the projectile against the rifling. The first weapon to use this operation was the Steyr Mannlicher M1894 pistol of Austro-Hungarian origin, followed by the Schwarzlose Model 1908, Hino Komuro M1908 Pistol, Mk 20 Mod 0 40mm automatic grenade launcher, the Special Operations Weapon, and the Pancor Jackhammer, the last known weapon to use this operation. The first rifle to use such an action was the experimental SIG AK53 battle rifle.
- Blow forward is a firearm operation type where the friction and pressure of the bullet traveling down the bore drag the barrel forward. This mechanism requires that the remainder of the firearm recoil away from the barrel for proper operation. Due to the reduced mass of rearward-traveling parts coupled with the increased mass of the forward moving parts (barrel in addition to bullet and propellant gasses), recoil energy is significantly greater than other operating mechanisms. The barrel and spring are generally the only moving parts. The operation can be best characterized as a combination of recoil and blowback operation.
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