volante Posted March 5, 2011 Report Share Posted March 5, 2011 (edited) KSC was very good airsoftgun maker for a long time. They made gun with durable materials such as sintered steel and heavy-weight plastic instead of zinc alloy and ABS(which Tokyo Marui is stil using) Their guns fired well, reliable, and looks nice(KSC hides their company's engravings behind levers) But, their gun had very weak blowback shock. So people who want pistols for collection and empty firing, bought WA's pistol. However, not anymore. The SYSTEM7 is KSC's new blowback system since 2007. So it is also called 07 hard kick. This system really worth it's name unlike their ancestors. It really kicks 'hard' And the realistic looking and durable materials still with it. (I'll add picture of it later) But this gun has serious problem. Safety lever does not work. Even when the safety lever indicates gun is locked, it can be fired by just pulling trigger. In my personal opinion, it is not a big problem because this gun has a 'Real live operation system'. What it is, a simulation mechanism of real gun's firing sequence. In real gun, if a gun does not has a bullet in its chamber, does not work. Just like that, KSC's pistol does not work after you pulled trigger without magazine. (In real gun, that means there is no bullet in its chamber) So, if want to keep this gun loked, just pull out magazine from gun and pull the trigger. Overall, it is very good GBB pistol. If you can get RA-TECH steel slide for it, it will kicks like real small caliber pistol. My verdict::: 4and a half star(if safety lever worked fine, it will be 5stars) Edited March 5, 2011 by volante Quote Link to post Share on other sites
volante Posted March 6, 2011 Author Report Share Posted March 6, 2011 Quote Link to post Share on other sites
spawn_lee Posted March 15, 2011 Report Share Posted March 15, 2011 (edited) I own a KSC USP 45 Tactical System 7 with Metal slide, been shooting that baby for almost a year; about 3000 rounds. Here are some observations: The smallest portion of the slide guide may break if not properly lubed (due to slide cycling) Front Sight is too loose: If not properly secured you may lose it while on the field. As far as performance goes... It has to be the best USP GBB. Edited March 15, 2011 by spawn_lee Quote Link to post Share on other sites
volante Posted March 28, 2011 Author Report Share Posted March 28, 2011 I own a KSC USP 45 Tactical System 7 with Metal slide, been shooting that baby for almost a year; about 3000 rounds. Here are some observations: The smallest portion of the slide guide may break if not properly lubed (due to slide cycling) Front Sight is too loose: If not properly secured you may lose it while on the field. As far as performance goes... It has to be the best USP GBB. Thanks for information. Mine has optional CNC processed slide ans steel front,rear sight. so i don't worry about any breakings. But steel slide stopper wears out aluminum slide when unlock the slide using lever . so if it will go for years, slide would not be holed open properly. maybe i have to but Ra-tech steel slide. Quote Link to post Share on other sites
G36fanatic... Posted June 5, 2011 Report Share Posted June 5, 2011 the small lip that catches on the slide to lock the slide back broke on my KSC USP. Other than that is truly is an amazing piece. My safety works just fine, but the KWA USP I had a year ago had a safety that you could pull through if you pulled hard enough. I'm modding an old mag for external air today Quote Link to post Share on other sites
G36fanatic... Posted June 14, 2011 Report Share Posted June 14, 2011 thought I would add this since I eluded to it already.... Quote Link to post Share on other sites
volante Posted July 6, 2011 Author Report Share Posted July 6, 2011 the small lip that catches on the slide to lock the slide back broke on my KSC USP. Other than that is truly is an amazing piece. My safety works just fine, but the KWA USP I had a year ago had a safety that you could pull through if you pulled hard enough. I'm modding an old mag for external air today Mine was japan made version with malfunctioning safety Quote Link to post Share on other sites
AliceHKfan Posted July 25, 2011 Report Share Posted July 25, 2011 that's pretty common for KSC USP series, usually means the safety plate is damaged/broken Quote Link to post Share on other sites
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