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Thread: BSA Airsporter club .177 Piston help please

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  1. 15-08-2021, 09:41 AM #1
    DEAN C.
    DEAN C. is offline Registered User
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    Quote Originally Posted by AC99 View Post
    The .177 Club has a 2.4" piston stroke and the .22 Airsporter's stroke is 2.8" so piston unit/latch-rod dimensions may also differ between the two models.
    Only the early ones were shorter in the stroke and main cylinder as T20 mentioned. But looking at the rear trigger section finish it could be the earlier shorter one, the early Mk1 trigger section were a sort of adonized finish that fades to a grey.
    Last edited by DEAN C.; 15-08-2021 at 09:49 AM.
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