Gap between bolt head and bolt head carrier

(1) The gap between bolt head and bolt head carrier is measured with the aid of a 0.15 mm feeler gauge.

- Remove the slide.

- Measure the gap between bolt head and bolt head carrier with the feeler gauge. Note:

When closed, the gap between bolt head and bolt head carrier must not be less than 0.15 mm; the result of wear is invariably a decrease in the gap.

Powder and other deposits can cause the gap between bolt head and bolt head carrier to increase.

(2) Correction of the gap between bolt head and bolt head carrier.

A below-Jimits gap between bolt head and bolt head carrier can be rectified by exchanging the bolt head, bolt head carrier or the barrel complete with the barrel extension.

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