Check headspace on a blow-back gun?

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Cannonball888
March 6, 2009, 08:29 AM
I realize that one should check headspace on old bolt guns and gas operated guns, but what about blow-back guns? I have a feeling the answer is no, but I just needed an expert confirmation. Thanks.
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rcmodel
March 6, 2009, 11:10 AM
Such as a .22 auto-loader?

Or .32/.380 ACP pistol?

Regardless, it isn't necessary unless you are having mis-fire problems with either, or blown case rims in the .22 RF.

Match grade .22RF pistols or 10/22 Rugers?
More important there in order to get consistant ignation for best accuracy.

Delayed blow-back centerfire rifles like the HK-91/93, CETME?
Very important, due to the higher pressures involved.

I guess the answer is, it all depends on what type of gun you are asking about.

rc
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