MBX Extreme Duty 11” Coil Z-Max Spring

Other products by MBX Extreme
  • Item #:  SP-11S
Reg. Price: $10.95
Our Price: $9.95
1 units available
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Extreme Duty 11” Coil MBX Z-Max Spring for use with STI style/Para/Armscor Style
140mm Magazines
Average rating 10 out of 10 ( based on 7 reviews )


Review by Joe on 11/11/2020

As advertised.

Springs is springs

Review by Bkreutz on 12/2/2019

Not much to say, this is my yearly replacement mag springs order. Shooters Connection does a great job which is why i keep buying from them.


Review by Vic on 1/15/2019

Works great, shot last weekends match with no issues.

The #11 spring..

Review by RM on 12/17/2018

It's a spring, what can I say!


Review by Steve on 3/17/2018

Perfect fit

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