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Rock Solid Industries builds custom rifles and manufactures precision gunsmithing parts, with a reputation earned through detailed Mosin-Nagant and Swiss K-31 work. They don't just install components—they design and machine their own parts in-house, which is why their scope mounts show up in Gun Dig...
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Full description and what we offer
Rock Solid Industries builds custom rifles and manufactures precision gunsmithing parts, with a reputation earned through detailed Mosin-Nagant and Swiss K-31 work. They don't just install components—they design and machine their own parts in-house, which is why their scope mounts show up in Gun Digest's "Top Mosin-Nagant Scope Mount" lists.
Scope Mounts & Rails - Mosin-Nagant scope mounts with Picatinny-style rails (standard and +20 MOA versions) - Swiss K-31 scope mount system - Scout mount systems for modern tactical builds
Rifle Components - Swiss K-31 replacement firing pins (hardened steel, USA-made) - Custom Swiss K-31 firing pin springs - Mosin-Nagant bolt handles (threaded designs) - K-31 and K-11 10-round magazines
Shotgun Conversions - Remington 870 conversion kits - Mossberg 500 series conversion kits
Reloading Tools - Swiss K-31 Berdan military crimp cutter (works with 7.5×55 GP-11 brass, 7.62 NATO, and other calibers)
Rock Solid has partnered with MBT Gunsmiths in Arkansas to handle bolt handle and scope mount installations. This keeps turnaround times tight while maintaining quality control.
| Hours | Monday–Friday, 8am–5pm CST |
|---|---|
| Phone | (660) 259-2832 |
| [email protected] |
All major products are made in the USA—not import conversions or kit builds.
Gun Digest recognized Rock Solid's Mosin-Nagant scope mount as one of the top options for 2021, noting that it "more than lives up to the company's name."
They maintain a full online store with product documentation, installation guides, and reloading information. If you're doing a Mosin or K-31 build, their site has detailed resources on ammunition compatibility, firing pin upgrades, and scope mounting techniques.
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