Underworld Arms
Recoil Spring Kit for 5" 9mm 2011 MAC/Tisas/ Prodigy
Recoil Spring Kit for 5" 9mm 2011 MAC/Tisas/ Prodigy
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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 and are designed to fit 5" 9mm 1911 and 2011.
These springs are manufactured by AQS the factory that makes springs for Noveske, Apex, 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
This kit is exactly what I was looking for. I have installed the 11lb recoil spring, had one range session with my MAC 9 DS 5””. After a second training session I will move down to the 10lb spring and see what the gun thinks of it. Thanks, George (Waukesha, Wi)
Another great purchase from an amazing company! Underworld Arms never fails to impress and give the customer the parts they need to improve there firearms and shooting experience… Thk U!
Perfect fit and now buttery smooth.
Awesome product! Game changer
Exactly what I needed and arrived in a timely manner.
