recoil booster

(redirected from Muzzle booster)
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recoil booster

[′rē‚kȯil ‚büs·tər]
(ordnance)
Component of a machine gun which traps some of the gas from the barrel and acts to ensure positive recoil action when the gun is fired at angles other than the usual horizontal.
References in periodicals archive ?
We've mentioned the muzzle booster specific to 7.62 NATO above.
7.92x57mm aircraft machine guns that were an outgrowth of the Solothurn Model 1930 light machine gun with the cyclic rate increased from 750 rpm to 1,000 rpm by means of a muzzle booster with a restricted orifice.
Sometimes a small circular armor steel plate was installed in front of the water jacket between the muzzle booster and the flash hider.
Also known as the muzzle booster, it works like the thrust reversers on a jet aircraft.