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  • Home
  • Information
    • Contact Us
    • About
  • Manuals and Docs
    • Mosin Nagant
    • Tips and Tricks
    • RSI Installation Docs
    • Reloading Information
  • Customer Comments
  • Photo Gallery
  • Video Galleries
  • Online Store
  • Cart
    • Disclaimer
    • Checkout
    • Wishlist
  • Dealer Sales
  • Gunsmithing Services

Rock Solid Industries

Dedicated to Precision, Quality, and Strength.

Contact Us
About RSI

Swiss K-31

Showing all 5 results

  • RSI Swiss K-31 Firing Pin

    RSI Swiss K-31 Firing Pin

    $45.00
    Read more View Product
  • Swiss K-31 Bedding Pillars

    Swiss K-31 Bedding Pillars

    $10.00
    Add to cart View Product
  • Swiss K-31 Scope Mount (ON SALE)

    Swiss K-31 Scope Mount (ON SALE)

    $325.00
    Read more View Product
  • Swiss K-31 Firing Pin Spring

    Swiss K-31 Firing Pin Spring

    $12.95
    Read more View Product
  • Swiss K-31 Action Screws

    Swiss K-31 Action Screws

    $12.00
    Read more View Product

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Contact Us

Rock Solid Industries
Phone: (660) 259-2832
Order desk hours: Monday-Friday 8am-5pm CST

Email
customerservice@www.rocksolidind.com

International Sales

If your looking to purchase our products outside the United States click the link below.

FOR SALES OUTSIDE THE U.S.A.

Ray installs the MI-24C Scope Mount

Ray installs the MI-24C Scope Mount

Latest NRA News

  • Florida: Second Amendment Sales Tax Holiday Signed by Governor
    on July 7, 2025 at 6:22 PM

    Governor Ron DeSantis recently signed the Florida Budget for Fiscal Year 2025–2026, which includes a Second Amendment sales tax holiday from September 8 through December 31, 2025. The NRA is thankful for Governor DeSantis’ strong support, along with legislative leaders who prioritized including these critical tax-saving measures for Floridians.  

  • HAPPY 100TH BIRTHDAY, NORRIS N. JERNIGAN!
    on July 7, 2025 at 2:34 PM

    As we celebrate this remarkable milestone for this remarkable man, we honor the life and legacy of Norris N. Jernigan, a World War II veteran who served in the intelligence office with the 393rd Bomb Squadron of the 509th Composite Group.

  • Progress in the Fight to Protect the Firearms Industry and Gun Owners from Financial Discrimination
    on July 7, 2025 at 2:19 PM

    In June, the American firearms industry lodged a resounding victory against attempts by gun control advocates to put it out of business with frivolous lawsuits when the U.S. Supreme Court issued its 9-0 ruling in Smith & Wesson Brands, Inc. v. Estados Unidos Mexicanos.

  • U.K. Embarks on Fresh Knife Amnesty, Reminds Americans Why 1776 was a Good Idea
    on July 7, 2025 at 2:10 PM

    It has been a while since we’ve looked at weapon news from across the pond, but with Americans everywhere having just celebrated the Glorious Fourth and our independence from British monarchy, the timing seems particular appropriate. 

  • United Nation’s Attack on Ammunition Formally Begins
    on July 7, 2025 at 1:59 PM

    The recently concluded negotiations on the United Nations’ Global Framework on Through-Life Conventional Ammunition Management (Framework) should be of grave concern to anyone who values the constitutional protections afforded by the Second Amendment. 

Cool Custom K31’s

Cool Custom K31’s

Custom K31's sporting our new scope mount. These rifles are tac drivers

Truth About Guns RSS Feed

    Eric Testing New Mount

    Eric Testing New Mount

    Eric aka Iraqveteran8888 seen here testing the new RSI scout mount system on a Bluegrass Gun Stocks Thumbhole results were outstanding!

    Product tags

    action pillars bi pod mount bolt handle Bullpup Bullpup Shotgun crimp cutter crimp removal Custom Stocks Firing Pin Spring Mossberg 500 Conversion Picatinny Rail pillars Reminton 870 Swiss K31 threaded bolt handle tool Trigger Trigger Shoe

    Rock Solid Products Made In The USA

    Rock Solid Products Made In The USA
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