This magwell features a slightly larger footprint (vs. the existing Agency EDC magwell) allowing a larger funnel. It is designed to work with both frames with the half-moon cut in the front and without. These are back strap size specific; currently only available for NBS (no backstrap).
DISCLAIMER: This product is not manufactured, authorized, endorsed,
or warranted by GLOCK. GLOCK does not warrant or represent that
this product is compatible with GLOCK pistols.