MBX Limited 10 Round Springs for STI/SVI & all 2011 Style Pistols

All components are designed to work with MBX tubes. Other manufacture parts may be used in conjunction with MBX parts, components, or tubes but may require adjustment/fitting for maximum reliability.
MBX Z-Max Limited 10 Round Spring for STI/SVI & all 2011 Style Pistols
Single Springs
5 Pack Springs
MBX Z-Max Limited 10 Round Spring for STI/SVI & all 2011 Style Pistols

Custom wound Wolff spring produces maximum reliability and feed when used in conjunction with MBX products.


California Legal

Spring can also be used with Slide-lock or Competition Follower

Limited 10 Round Spring & Competition Follower Set for 9mm & 40 Cal (Will not lock slide back when empty)

Limited 10 Round Spring & Slide-lock Set for 9mm & .40Cal (Will lock slide back when empty)