AGP Arms +20% stronger spring for the Springfield XD45. The factory XD45 magazine spring is marginal at best. These springs are custom made for AGP to exactly fit the XD45 mags. This is not some universal spring or a spring we found that sort of works. It's is exactly the same dimensions as the factory spring with just added length. Absolute must have if running a +3 extension.


Dealer Inquiries Welcome for 100+ Qty.

$7.25ea for Qty 1-4
$6.25ea for Qty 5+