The Cross Armory +5 Magazine Extension is a precision solution for shooters who want more capacity without sacrificing concealment or reliability. Machined from aircraft-grade CNC aluminum, this extension tacks on five additional rounds to Glock 17/22/31 magazines (Gen 1–5) while weighing just 1.35 ounces — one of the lightest +5 options on the market. Its low, compact profile keeps the magazine compatible with most magwells and holsters, so you don’t have to compromise carry or draw performance.
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