![]() ![]() ![]() Then, you have read about the erratic ejection problems, which seem to have cured by new ejectors and sometimes extractors. Revisions to the RSA have cured that problem. It usually took more powerful ammunition to get the RSA to function correctly. As I recall, the first complaints I was aware of (when I got my first Glock, a Gen4 G17) were that the pistol would stovepipe pretty regularly with light 9mm ammo (Winchester White Box, for example). Then, when the guns hit the US Market, and we started shooting this weird variety of light target 9mm, heavy defense 9mm JHP, and heavy bullets, things didn't work too well. I think they skipped over the discount-store bulk-packed stuff that we shoot just to make holes in targets or beer cans. It looks like they just plain hurried the product to market, and RSA testing may have been done with higher-powered ammunition, like defense JHPs. Where the wheels came off was in testing, apparently. The Recoil Master (a dual spring RSA) has been around for quite a while. Interestingly, if you put a new Glock dual-spring RSA and an STI Recoil Master on the table, you will see similarities. I spent some time tuning single-spring guide rods for competition guns, learning which ammunition worked well with which spring. That was not the case with earlier single-spring RSAs, at least in my experience. With a well-functioning dual-spring RSA, the gun should handle pretty hot ammo and target ammo equally well. Why did they mess with the RSA? I think to improve the product by making a single RSA for a gun that would handle a wide variety of ammunition. RSA- fits G20-G20SF-G21-G21SF (marked 5600 on end of recoil spring guide) RSA - fits G19-G23-G23P-G32-G38 (marked 5593-1 on end of recoil spring guide) RSA dual (marked 0-3-3) - fits G-23 Gen4 and G32 RSA dual (marked 0-2-4) - fits G-17/34 Gen4 ONLY RSA- fits G17R-G22P (marked 5579 on end of recoil spring guide) ![]()
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