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Services

Transfers

Buy a firearm somewhere else and have it shipped to us. We will handle the background check and transfer. Only $35 per serialized item.

NFA Transfer

We accept NFA (suppressors, SBRs) transfers from elsewhere. We handle the electronic fingerprinting, Form 4 submission, and transfer. $95 per serialized item.

Other Armory Work

We specifically DO NOT work on the following: Shotguns, pistol lowers, any and all non-modern rimfires, bolt action rifles.

Transfers - Unethical Sources

We will accept transfers from unethical and anti-small business websites/stores for a higher fee of $60 per serialized item. Includes: Palmetto State Armory, Buds Gun Shop, GrabAGun. Subject to change.

Consignment

We will consign any firearm we think we can make a profit on. This will include local instore exposure and online website exposure. The fee is 18% of the selling price after any 3rd party fees.

Transfer out to another FFL

We will happily facilitate a transfer out if you are sending your gun to somewhere else out of state. We will handle the paperwork, packing, and shipping. $35 plus whatever the label costs.

AR15 Armory Work

AR15s are our favorites, we will happily work on most ARs whether it be for swapping out parts, building from parts, troubleshooting, and more. $55 minimum then $80 per hour after the first hour.

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Black Diamond Armory is a Stewartville, Minnesota gun shop specializing in custom AR-15 builds, suppressors, handguns, firearm transfers, and professional gunsmithing. Serving shooters across Rochester, Austin, Mower County, and southeast Minnesota.

© 2026 BLACK DIAMOND ARMORY

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