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Custom Builds & Gunsmithing

First Coast Firearms is the go-to shop for all your gunsmithing needs. 10 years ago we got our start in Gunsmithing out of necessity. There was no one around that could do what we wanted done to our firearms.

Custom Builds

First Coast FIrearms builds all manner of AR15, AR10 variants and offers billeted uppers and lowers for both. We are proud to say that we are the first Firearms Manufacturer in the Oldest city in the Nation. Here’s a list of just a few other firearms First Coast Firearms is knowledgeable about:

By Brand:

  • First Coast Firearms

  • Glock

  • Springfield Armory

  • Smith & Wesson

  • Heckler & Koch

  • Sig Sauer

  • Beretta

  • Remington

By Model:

  • Ares AR-15

  • Chaos AR-10

  • AR15 and all variants

  • 1911

  • AK47 and all variants

  • Remington 700

  • FN FAL

  • Model 870

Gunsmith Services
Here's a list of the types of services we offer:
  • Stippling

  • Scope Mounting

  • Accuracy

  • Parts Replacement

  • Technically inspect firearms for worn parts

  • Upgrades and Modifications

  • Estate asset valuation and documentation

  • Consignment


*We have reopened Transfers with a $50 fee. Please get in touch with us for more details prior to sending any weapons.

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