![]() The idea is to find the number of shots from a full charge that will not bring that cylinder pressure down below 100bar. ![]() ![]() Now repeat the charging process and check the residual pressure again. On the other hand, if the residual pressure is considerably higher than 100bar then you should repeat the shooting test with, say, 30 shots - 3 magazines-worth before re-charging the cylinder. If the pressure is around 100bar then 20 shots is about all the rifle is capable of firing on one full charge. BUT count the shots ! After firing 20 shots - 2 magazines' worth - repeat the re-charging process, being careful to note the approximate pressure remaining in the guns cylinder, as described above. Then continue pumping to bring the cylinder pressure up to the max fill pressure of 230bar, roughly 3300psi. That will give some indication of the pressure remaining in the guns cylinder. when you hook up your BSA/Hill pump - (I have the identical one here) - start pumping but note the pressure reading on the pump gauge at the point where the pumping effort starts to suddenly increase. NOT Lothar Walthers ! The BSA barrels are every bit as accurate, if not better, than any of the Walthers.Īs a hint to determine how many shots you'll get from a single charge. I think you'll find that BSA uses their own barrels.
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