Blowback Bolt Weight

Revision as of 12:33, 5 February 2026 by Johndoe (talk | contribs) (Created page with "== Introduction == == Advise == The best advise for designing a safe and secure bolt is to look what professional companies have designed. For 9x19, a common bolt blowback mass is around 650g. This includes the bolt handle and attachments to the bolt that are part of the moving mass, i.e. the firing pin and the extractor. For .22LR, a common blowback mass is 200-220g.")

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Introduction

Advise

The best advise for designing a safe and secure bolt is to look what professional companies have designed.

For 9x19, a common bolt blowback mass is around 650g. This includes the bolt handle and attachments to the bolt that are part of the moving mass, i.e. the firing pin and the extractor.

For .22LR, a common blowback mass is 200-220g.

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