Steel breech upgrade for Crosman 1377& other .177cal pistols. The Crosman pistols are one of the most modified pistols ever. Start the upgrade process now with the do-it-yourself steel breech upgrade.Improves accuracy. The standard barrel or a modified longer barrel can be used - Available in our Accessories section.
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Steel breech upgrade for Crosman 1377& other .177cal pistols. The Crosman pistols are one of the most modified pistols ever. Start the upgrade process now with the do-it-yourself steel breech upgrade.Improves accuracy.