FinnishVisitor Posted March 22, 2009 Report Share Posted March 22, 2009 Hi Everybody, I do have AA Prospot in .177 calibre and non FAC (std) power. I am not really planning to convert it to FAC (we don't have power limit here for airguns, yet). I am still very interested to understand what's differense between std and FAC versions? I would appreciate if somebody can explain differencies. Photos and dimensions (piston/spring weight, etc) would be appreciated too. I guess that differens is spring and piston weight only. Thanks in advance Quote Link to comment Share on other sites More sharing options...
sitsinhedges Posted March 23, 2009 Report Share Posted March 23, 2009 Hi Everybody, I do have AA Prospot in .177 calibre and non FAC (std) power.I am not really planning to convert it to FAC (we don't have power limit here for airguns, yet). I am still very interested to understand what's differense between std and FAC versions? I would appreciate if somebody can explain differencies. Photos and dimensions (piston/spring weight, etc) would be appreciated too. I guess that differens is spring and piston weight only. Thanks in advance The only difference now is the spring and piston weights/spring guides, on the earlier models it had a standard piston and a longer stroke FAC one but now the longer stroke one with the shorter cocking rod that allows the piston to move back further and increase swept volume of the cylinder is fitted to all and power adjusted by what spring and piston weights/spring guides are fitted. Quote Link to comment Share on other sites More sharing options...
FinnishVisitor Posted March 28, 2009 Author Report Share Posted March 28, 2009 Hi Everybody, I do have AA Prospot in .177 calibre and non FAC (std) power.I am not really planning to convert it to FAC (we don't have power limit here for airguns, yet). I am still very interested to understand what's differense between std and FAC versions? I would appreciate if somebody can explain differencies. Photos and dimensions (piston/spring weight, etc) would be appreciated too. I guess that differens is spring and piston weight only. Thanks in advance The only difference now is the spring and piston weights/spring guides, on the earlier models it had a standard piston and a longer stroke FAC one but now the longer stroke one with the shorter cocking rod that allows the piston to move back further and increase swept volume of the cylinder is fitted to all and power adjusted by what spring and piston weights/spring guides are fitted. Thanks. This is exactly what I assumed. Quote Link to comment Share on other sites More sharing options...
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