STI 2011 - 170mm Magazine Kit for Open / 3-Gun

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170mm STI 2011 Magazine Kit for Open / 3-Gun

These are some our best sellers for 2011 platform mags. You have a choice of Taran Tactical Spring & Ultra Thin Follower or the Grams Engineering Spring & Follower kit. We are including the facotry STI Gen 2 mag tube bodies and the TTI 4G basepads in this kit.

  • Factory 170mm STI Gen 2 Magazine Tube
  • Taran Tactical 3G basepad
  • 9mm with Grams Engineering Spring & Follower (29 Reloadadble / 30 Non-Reloadable)
  • 9mm with TTI Spring & Ultra Thin Follower (29 Reloadable / 30 Non-Reloadable)
  • Fits USPSA Mag Gauge

Taran Tactical 3G Basepads

This Patented push pin design is indestructible and will not come off until you are ready to remove it. One Piece construction made from solid aluminum, will not break or come loose, which is essential in the heat of competition. This base pad allows the magazine to be disassembled in seconds with one hand and no tools. You don’t have to worry about losing small parts or specialty tools to disassemble it.

  • 3mm for SV/SPS/Rescomp 140/170mm magazines.
  • Weighs .3 oz
  • *Remove the metal insert at the bottom before installation*

TTI STI SV Ultra Thin +1 Follower

Our ULTRA THIN +1 follower for STI and SVI mags are compatible with all new production 9mm/38 STI and SVI 140mm tubes with no modifications when used with our 140mm 2011 Spring. Use 4mm Base Pads for STI tubes and 3mm Base Pads for SVI Tubes. MBX magazine tubes will need 7mm Base Pads (Slight fitting required when using MBX tubes). Use our 11 Coil Spring for 140mm Magazines and the 13 Coil Spring for 170mm.

*Designed to lock back with one in the magazine. Will need to grind down slide lock to use all rounds in magazine.