Boride Sanding and Smoothing Stones

Boride Sanding and Smoothing Stones

Regular price $7.00
Ships same or next business day if in stock.

Boride Sanding and Smoothing Stones

Sanding and smoothing stones are perfect for removing small amounts of metal to get a final fit for your slide on the rails.


  • Boride Rail Smoothing Stones: 6" x 0.5" x 0.115"
  • Boride Sanding Jig Stones: 6" x 0.5" x 0.25"

Available in several grades from 120 grit to 800 grit.

Note: After using a Matrix Precision 1911/Sig Sauer Combo Rail Cutter, use a Boride Rail Smoothing Stone to smooth the inside of the rails. If the slide is fit too tightly, use a Boride Sanding Jig Stone in the Matrix Precision 1911 Sanding Jig to finalize the fit.

Be sure to use some light cutting oil or WD-40 so the stones don't clog up. We use CRC 3-36 as an oil and 400 grit to smooth out machine marks on our aluminum frames. It's the right grit to take off some material but not make noticeable scratches.

Manufacturer: Boride


Just received the 2 frames this afternoon. They are fantastic, as usual. You have certainly converted me to become a builder rather than a buyer.

Your rail cutter is amazing like I knew it would be. I think with your tooling almost anybody can perform an above standard job.

Why build with us?

we're built in America, too

We are one of the many thousands of tiny family businesses that make this country great! Our family does our best to make sure every product is perfect. If you receive something that doesn't meet your expectations, please let us know, and we will do what we can to make sure you are happy with your purchase.