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New! 1897 Shotguns in stock ... call to get yours! "Top Gun" Spring Kits for all Ruger's... Colt-style half-cock hammers for Ruger Vaquero's.... New! "Top Gun" Spring Kits for all Ruger's... Colt-style half-cock hammers for Ruger Vaquero's....


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New! If a full action job is not in your budget right now , you can still enjoy the benefits of custom-designed springs for your Ruger Vaquero, Ruger 3 screw and Ruger Single Six 32. $35

Custom Relieved, Polished and Jeweled Hammers and Triggers on rifles, pistols and 1897's for $40 a gun.

Modern day efficiency on classic cowboy firearms ...

Jimmy Spurs (L) with Rowdy Bill (R) at the 2008 SASS New England Regional.

Welcome to the website of Jim McMahon aka Jimmy Spurs. I am a full-time gunsmith that specializes in working on competition firearms, especially Cowboy Action Shooting firearms. I can help make your lever action rifles (Henry 1860, Winchester 1866, Winchester 1873, Winchester 1892, Marlin 1894), revolvers (Ruger Vaquero, Ruger New Vaquero, Ruger Blackhawk, (New! Colt-style half-cock hammers for Ruger Vaquero's and "Top Gun" Spring Kits for all Rugers.) Colt SAA, Colt clones), shotguns (Winchester 1897 or double barrels), derringers and single shot rifles smoother to operate so you can concentrate on shooting.

(As a member of IDPA (International Defensive Pistol Association) it was easy to see the need for action work as well as a good trigger job. I have been shooting and working on S&W Double Action revolvers as well as the S&W Semi Auto pistols such as the M&P line for many shooters that are looking for the competitive edge that can only come from a well-tuned firearm. Contact me for more info.)

I work on reproductions and originals. All my work is 100% satisfaction guaranteed. I do some general firearm repair. Machine shop services such as milling, lathe work, welding, etc. are available and done on the premises.

You can also buy your new firearms through me as I am a licensed FFL Dealer. Instead of buying your Ruger New Vaquero, Uberti, Taylor's & Co. Cimarron, EMF, etc. firearm somewhere else, let me know what you want and I will get it for you and work on it too! I now have in stock some IAC Winchester 1897 shotguns that I have made into top of the line "race guns" soon. Call me for availability and prices.

While somewhat new to Cowboy Action Shooting, I am no stranger to the workshop. I have been building and racing snowmobiles for a number of years and have many championships and several world records with our hand-built sleds. I've made pretty good progress in my four years of CAS shooting recently winning TOP GUN at the 2008 SASS MA/CT/RI State Championships, the 2008 SASS NH State Championship to add to the the 2007 SASS NH State Championship and 2006 SASS NH State Championship, the 2005 SASS New Hampshire State Black Powder Modern Championship and Top Gun at the 2006 SASS NJ/DE State Championships.

I want to thank Gordon Levitt (Single Action), Bill English (Happy Trails), Lee Shaver - Gunsmith, Ron Powers of Powers Custom, Jim Lincoln of the Cowboy & Indian Store, LLC and others for sharing their knowledge about CAS firearms with me.

Contact me to arrange pickup, shipping and delivery. Do not ship anything without arranging it with me first! I shoot Cowboy Action Shooting, race snowmobiles and occasionally do other things so I am not necessarily around to accept your firearm shipment without prior arrangement.

You can get Federal primers, Moulton Lead bullets, stainless steel tube springs, Marble sights, and the Slip-On Butt Pad
You can also get Federal primers (when available), Moulton Lead bullets, stainless steel tube springs, Marble sights, and the Slip-On Butt Pad from me.

New! CNC-machined billet Stainless Steel magazine tube followers for 1873/1866 Winchester rifles. They help prevent rust buildup in the magazine tube for only $25 each and you really should get a stainless steel magazine spring at the same time ($25 each).

New! Colt-style half-cock hammers for Ruger Vaquero's and Ruger Single Six revolvers. Ever short-stroked the hammer and had to go all the way around to find the live round? Click, click, click, click. How many rank points do you rack up doing that? It isn't a matter of "if" you will need it, but rather "when" you will need it. Avoid it with the Colt-style half-cock hammer.

New! "Top Gun" Spring Kits for all Ruger's. Take advantage of custom-designed springs by Jimmy Spurs. These reliable springs are designed to help you enjoy a smoother and easier cocking pistol with a lighter, more consistent trigger pull.

Work area showing some of the guns they work on or have for sale.
Work area showing some of the guns they work on or have for sale.

Screwknives and sheaths
Cowboy Gunworks is your Northeast Distributor for Redwing Knifes. Hand made in the USA, these knifes not only look good next to your holster but will help save the day when you nead a screwdriverr or knife in a hurry! They were originally designed to help clear a jam on a '73 Winchester in the event you get a double load or the extractor can't get a stuck round out of the chamber. These little knifes are a must for many Cowboy Action Shooting problems. Having a set of screwdrivers back in your cart doesn't really help you in the middle of your stage. You need it where you can reach in an instant. Only $99 with a plain sheath.

Various plain and beaded sheaths for RedWing Knives.
For those of you that would like to add a little color to your outfit, try the handmade beaded leather sheaths for only $49.00. Custom orders available !


Map to Cowboy Gunworks


AnimationTry your reaction times with this neat game: Click here.


Cowboy Gun Works
Jim McMahon aka 'Jimmy Spurs'
30 Walnut Hill Road
Derry, NH 03038
Shop Phone: 603-425-1189
Cell Phone: 603-490-0312
Email: cowboygunworks@aol.com

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