Air Venturi

BN Mainspring HW77/97K

SKU:: PY-A-3790
UPC:
Weight:: 0.23 LBS
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MSRP: $38.49

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Description

Beeman/FWB/Weihrauch part.

NOTE: This mainspring is identical to part# BNP-9048 as far as OD and metal strength goes, however, this spring has 31 coils, compared to the R9 (BNP-9048) spring which has 34. As a result, this spring produces a little less energy and it will make the R9 shoot smoother and cock easier.