- 2377 HP - the standard firing pin valve of the cartouche for the strong wind cheaters PCP Hatsan Hercules in calibers: .177 (4.5 mm), .22 (5.5 mm), .25 (6.35 mm), .30 (7.62 mm) and .35 (9 mm).
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Types of firing pins 2377:
2377-ST Standard allows energy up to 17 J.
Developed by: Sharg® - exclusive Hatsan importer