Slide not locking back after last round

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Fredo

Bearcat
Joined
Feb 18, 2024
Messages
97
Location
Phoenix
Im a fairly new Ruger Security 9 owner. Ive noticed that the slide sometimes doesn't lock back after the last round is fired.Maybe it's my imagination but it seems to happen when I load the magazine using the auto forwarding feature. Can that be?
 

Plug367

Bearcat
Joined
May 29, 2024
Messages
9
Location
Utah
Is it a new gun? If not, the most likely culprit is a weak mag spring.
What happens if you rack the slide by hand with an empty mag? If it lock back fine then and it is a newer gun, the recoil spring just might need some breaking in. That shouldn't be the case, but it could be a combination of things.
 
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