CARVER "BIG Mouth" Large Frame Aluminum Magwell for Glock Models 20SF and 21SF models.  Will not fit other models.

The CARVER "Big Mouth" aluminum Magwell for G20SF and G21SF Glock handguns was designed to fit the SF version of the Glock G20SF and G21SF models.  The "SF" models will not fit the new GEN 4 models.

Increase the speed of your magazine reloads with a larger "Big Mouth" to funnel the magazine into your large frame Glock. These magwells are made of top quality aircraft aluminum.

Each magwell includes a brass insert to add additional weight to your Glock's receiver. The addition of the 3.7 oz of additional weight will help you tame the recoil. No modifications needed to install on your Glock. Excellent for use in IPSC, GSSF Unlimited and Steel Shooting.