Welcome To

Thunder Mountain Custom



5431 S. San Pedro Ave.
Sierra Vista, AZ. 85650

(520) 678-2768
Due to PayPal's anti-firearms policy, we are no longer

accepting PayPal as a payment option

www.1911parts.com is your source for High Quality 1911 and 2011 parts at reasonable prices.  We specialize in only 1911 and 2011 handguns.  We work closely with the best US 1911 parts manufactures to provide you the best parts for your 1911.

As of 2016, we have only been working and teaming up with US Manufactures.  You will no longer see any imported 1911 parts.  We have teamed up with a great alliance of US 1911 parts manufactures to offer you the best parts at the best prices.

 You will not find any Metal Injection Molded parts in our inventory and very few cast parts.  The Thunder Mountain Custom "REAL STEEL" product line includes only parts that are CNC'ed from solid bar stock Chrome Moly and Stainless Steel.  All Aluminum parts are machined from aircraft grade aluminum billets.  Most of our "REAL STEEL components are priced the same or better than our competitions prices for MIM or Cast parts.




50 Percent off of all Cleaning Patches in Stock

(Click Here)

End of Year Clearance sale on all Storm Lake 1911 Barrles

All sales on Storm Lake barrels are final

(Click Here)

50 Percent Off all AlumiGrip Grips

(Click Here)


MetalForm Magazines

Purchase 4 of the same magazines and save $1.00 per magazine

We now have in stock the most popular MetalForm magazines in 45ACP, 9mm, 38 Super, 40S&W and 10mm.  Orders of 4 of the same magazine will get a dollar off of each magazine.



Purchase 4 of the same magazines and save $1.00 per magazine

We now have the full line of Tripp Research Magazines, Springs, Followers and Base Pads in stock and ready to ship.  Tripp Research has had to increase the prices of their great magazines this year, but we have kept your prices the same.  Check out the new Tier Pricing when purchasing 4 of the same magazines and save even more.

Extreme Enginerring

 The new line of Extreme Engineering hammers are now in stock.  Check out the new Patriot, Comet and Wide Spur Hammers

The new Heavy Duty Barrel Links and and Firing Pin stops are now in stock.

We are now stocking the new Extreme Engineering Hammer Struts.  These are the best hammer struts we have seen in over 15 years.  Nothing comes close.

Check back often for new exciting products from Extreme Engineering.

"More Coming Soon"

Check out our line of affordable Gunsmithing Tools.  We are expanding our line of Gunsmithing Tools and are adding new items weekly.

We are always looking for new US made 1911 product to offer to you, our customer, at the best prices.  If there is a product that you need and we do not stock please let us know.  We are always willing to work with all US manufactures to get the parts that you want.  Just contact us through our "contact us" link.  If you know of a US manufacture of great quality US made 1911 parts, we want to know..


 Thank You

 The Best Aftermarket 1911 Parts at the best reasonble prices



We hope you enjoyed your stay

Your Personal information is only used to process your order.  We adhere to a strict privacy policy.  That means your information will not be shared, sold, or otherwise distributed for any reason. 

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Our phone hours are from 8:00AM to 3:00PM Arizona Time