Best extension
Very solid extension. It also fits into the magwell with no trimming needed.
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The SIG 320 +5+ basepad takes full advantage of the 140mm overall length allowed in USPSA and 3-Gun competition. Custom springs and a quick-release stainless locking plate make this a go-to part, whether or not you compete. This latest update includes a relief cut to improve the way the floorplate slides up into the frame. Requires no modification to the gun or magazine -- easy to install.
