Underworld Arms
Recoil Spring Kit for 4.25 Prodigy and Staccato P
Recoil Spring Kit for 4.25 Prodigy and Staccato P
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This recoil spring kit includes five springs in 1lbs increments from 7lbs-11lbs for tuning your guns performance to the specific ammunition and parts you are using. They are manufactured from 17-7 stainless steel.
These springs are manufactured by the factory that makes springs for Noveske, Atlas, Sig, CMMG, POF-USA. We lucked out and our shop just happened to be ten minutes from their factory.
The springs are spray painted in a color code to identify their weight, we put green and red at the opposite end of the weights so color blind individuals can tell them apart by testing tension in their hand.
7lbs - Green
8lbs - Blue
9lbs - White
10lbs - Yellow
11lbs - Red
Springs are a little longer than Atlas commander springs but still work just fine.
I keep the 11lb spring in my 4.25 when not using any comps. Shoots fairly flat with 115-124gr.
My perfect set up is the 10lb Spring with Basilisk Comp and 124gr ammo - Gun runs super flat with virtually no recoil.
