Grams spring Follower Kit, EAA/Tanfoglio 170mm 9mm. FKK9-13

Grams Engineering's slick follower-and-spring kits typically add +1 round to your factory magazine capacity. However, the slide will not lock back on the last shot. This one fits the EAA/Tanfoglio...

GRAMS SPRING/FOLLOWER KIT, 140MM CZ TAC SPORT / FKCL-11

Made especially for CZ Tactical Sport by Grams Engineering, these provide maximum capacity and optimal spring strength for our extensions.  Typically these provide +1 capacity, but the slide...

GRAMS SPRING/FOLLOWER KIT, 140MM CZ-75 SMALL FRAME, SP01

Grams spring for 140mm magazines (Limited division) for Tanfoglio and CZ small-frame pistols. (9mm, .40) Typically these provide +1 capacity, but the slide will not lock back on the last shot...

GRAMS SPRING/FOLLOWER KIT, 140MM TANFOGLIO LONG FORMAT FKT-11

Grams Engineering's slick follower-and-spring kits typically add +1 round to your factory magazine capacity. This one fits the standard (long format) Tanfoglio magazine with NO spacer plate down the...

GRAMS SPRING/FOLLOWER KIT, 140MM XDM FKXM-11

Grams Engineering's slick follower-and-spring kits typically add +1 round to your factory magazine capacity. However, the slide will not lock back on the last shot. This one fits the 9/.40...

GRAMS SPRING/FOLLOWER KIT, FKCMG-11, 140MM MEC-GAR CZ-75 SMALL FRAME, SP01

Made especially for the MEC-GAR aftermarket magazine for small-frame CZ-75's (including the SP01), this spring works on BOTH the Mec-Gar CZ-75 AND the Canik TP9SF magazine (which is also made by...

GRAMS Spring/Follower Kit, P320/P250, 9mm/40SW, FKSGP-11

Grams Engineering's slick follower-and-spring kits typically add +1 round to your factory magazine capacity. However, the slide will not lock back on the last shot. This kit fits the Sig Sauer...

Grams Spring/Follower Kit, STI Mags (Gen 1), FKS9-11

Maximize capacity in the STI, AND (curiously) the Walther PPQ! Using this spring/follower kit together with one of our Walther PPQ +6 extensions can increase your firepower from +6 to as much as +8!...

GRAMS SPRING/FOLLOWER KIT, TANFOGLIO 140MM K-TYPE 40 S&W

Grams Engineering's slick follower-and-spring kits typically add +1 round to your factory magazine capacity. However, the slide will not lock back on the last shot. This one fits the K-type Tanfoglio...

GRAMS SPRING/FOLLOWER KIT, TANFOGLIO 140MM K-TYPE 9MM

Grams Engineering's slick follower-and-spring kits typically add +1 round to your factory magazine capacity. However, the slide will not lock back on the last shot. This one fits the K-type Tanfoglio...

GRAMS SPRING/FOLLOWER, 170MM TANFOGLIO K-TYPE FKTS-13

Grams Engineering's slick follower-and-spring kits typically add +1 round to your factory magazine capacity. This one fits the K-type Tanfoglio magazine with the spacer plate down the back. The...