GRAMS Follower kits

GRAMS Follower and Spring kit
Item: GRAMS    Manufacturer: Grams Engineering
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Product Options
1. Gun Brand
2. Spring Coil Length

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Grams Engineering has been making competition Follower & Spring kits for magazines for decades.

The current options are:
Sig Sauer P320
STI / Staccato 2011
Tanfoglio 9mm, 38 Super, 40 S&W, 10mm
CZ Shadow 2

For the Sig Sauer P320 we offer two spring lengths:
The 11-coil kit is designed to work with our H141 (USPSA Limited length magazine) on standard length magazines (17 for 9mm and 14 for 40S&W) which in combination with extension increases capacity to 23+1 in 9mm and 20+1 in 40S&W.

The 13-coil kit is designed to work with our H141 magazine extension on the 21 round / 18 round factory magazines. The combination of H141 extension and this follower kit will increase the capacity to 27 round in 9mm and 24 rounds in 40 S&W.
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