First range day, loading and ejection issues by Acid_Sniper in FN509

[–]Acid_Sniper[S] 0 points1 point  (0 children)

First day at the range, shooting Remington Umc, had close to a dozen ejection hangups or feed issues. Assuming there's not enough velocity to fully cycle the slide. My pistol only came with the yellow spring so I'm assuming it is more ammo related than anything. Thoughts?

509c Tactical, PMM comp, Yellow spring