Out of stock
SKU: CRSCRDSSHIELD
UPC: 667486961920
MPN: CRDSSHIELD
The CROSS ARMORY Double Stack is a magazine coupler built specifically for the Smith & Wesson M&P Shield. It connects two factory Shield magazines end-to-end, giving the shooter double the rounds at hand without swapping magazines mid-string. This is aimed at Shield owners who run their pistol at the range, in competition drills, or as a home-defense setup where a fast follow-up reload matters. It is a 100% legal accessory that bolts to existing Shield magazines, so it works with the gear you already own. If you carry or train with a single-stack subcompact, this is a direct fix for the capacity tradeoff.
The coupler is CNC machined from billet 7075-T6 aircraft aluminum and finished with a hard anodized coating, so it stands up to repeated insertion cycles and the abuse of dropping mags on concrete. It fits standard M&P Shield magazines and indexes them side by side for a clean reload swing. Beyond the coupler function, the machined aluminum body adds weight to the magazine base, which helps the spent magazine drop free under gravity for faster reloads rather than hanging in the well. There are no springs or moving parts to fail; the unit is a single solid block of metal that secures the second magazine in fixed position. Buyers running other platforms can compare the matching Glock version of this coupler in our lineup.
Reach for the Double Stack when you want extra capacity ready on the gun for range sessions, drills, or staging a defensive pistol with backup rounds attached. Because it doubles as a weighted base plate, it earns its place even on a magazine you carry for the drop-free benefit alone. Pair it with spare grip extenders to tune your Shield setup, and browse the rest of our shooting accessories for cleaning gear, loaders, and range bags to round out the kit. It ships ready to mount on your existing Shield magazines.
It is a magazine coupler that joins two Smith & Wesson M&P Shield magazines end-to-end, doubling the rounds you have on hand. It mounts to your existing factory Shield magazines and holds the second magazine in fixed position for a quick reload during range or defensive use.
Yes. Per the product details, this coupler is a 100% legal accessory. It simply connects two standard-capacity Shield magazines and does not alter the capacity of either individual magazine. Always confirm any local magazine or accessory restrictions in your area before purchase.
The Double Stack is CNC machined from billet 7075-T6 aircraft aluminum with a hard anodized finish. There are no springs or moving parts, so the unit is a single solid block of metal designed to survive repeated reload cycles and being dropped on hard surfaces.
Yes. The machined aluminum body adds weight to the magazine base, which helps a spent magazine drop free under gravity instead of sticking in the magazine well. That makes it useful for faster reloads even when you are only running one magazine on the gun.
It is designed for standard M&P Shield magazines. Confirm your magazine matches the Shield platform this coupler is built for before mounting, since it indexes the two magazines together based on the Shield magazine body dimensions.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
First Samco/Fobus
Tagua Gun Leather
