Current Top Sellers
TTI Magazine Spring for STI, SV, & Rescomp Magazine Tubes
11 coil (140MM) magazine spring for the TTI competition follower. Designed exclusively by ISMI to work only with the TTI follower and made with ISMI quality and precision. Each coil compresses and stacks into the neighboring coil to provide the highest capacity available in your magazines.
Use the TTI Mag Spring with the TTI Base Pad and TTI Follower for maximum capacity.
Super fast delivery / support
Posted by email@example.com on Mar 23rd 2018
The Pro Shop is a great company to do business with super fast shipping and low shipping cost.
Pro shop rocks
Posted by Unknown on Sep 12th 2017
my review of this product is more or less a review of the proshop. These guys rock. I bought some springs on a holiday weekend saturday, one week before an area match and got the springs on that wednesday with enough time to test the mags before the area match on Friday! BS Proshop is awesome