Match your slide cover plate and your mag bases with Hyve Technologies Gen4 extended magazine Release, machined from solid 6061 aluminum and designed so it wont tear up your magazines, the extended mag release makes it incredibly easy to find and depress the button, ensuring a faster reload.
**This will ONLY fit Gen4 models: 17,19, 22, 23, 26, 27, 31, 32, 33, 34, 35, 37, 38, 39**
** Will not fit: 42/43/36**
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