If you have the Gen4 AVOID the Remington UMCs.Originally Posted by Meanie
I've had FTF/FTE and I was bummed b/c I thought it was the gun.
It turns out I wasn't the only one with that problem. The UMCs are allegedly underpowered so they will not reliably cycle stiff doublesprings like the Gen4s and I've even heard it done to a RugerSR9c.
My preference for practice ammo are American Eagles.