• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

The K-Var ArmoryThe K-Var Armory

The Largest Supplier of Firearms, Gun Parts, & Accessories Online

  • Shop K-Var
  • News
    • Industry
    • Politics
    • Second Amendment
    • Self Defense
    • Comics
  • Reviews
    • Anything AK
    • Anything AR
    • Gear
    • Pistols
    • Rifles
    • Shotguns
  • Newsletter

The 10mm — When It’s Time to Go to Plan B

February 13, 2020 by Bob Campbell 5 Comments

I have long been a fan of large calibers. This is based on my research and personal experience. Depending on the need, I favor the 1911 in .45 ACP or 10mm, or magnum caliber revolvers. I have been concerned with animal defense for years. Among the many things I wish I had not seen was a photo that my Sgt., later Chief, showed me of a pretty youngster (perhaps four) with most of her scalp and face gone above the nose. She had been killed by a large dog.

open box of Federal Hydra-Shok ammunition with one loose cartridge
Federal’s Hydra-Shok is a low recoil, but highly accurate, loading.

These attacks seem depressingly more common these days as inadequate personality types and ex-cons obtain these animals and treat them badly. Others simply have no idea how to treat an animal and have no respect for their capabilities. As a young man, my constant companion on duty and when hunting and hiking was a Smith and Wesson Combat Magnum. While the four-inch barrel .357 Magnum is a great all-around handgun for personal defense, I moved to the 1911 .45 which I found ideal and managed to carry on duty.

Safety, reliability, and hit probability with the 1911 are all that could be desired. I have wondered from time-to-time if it was practical to combine the features of the 1911 with a hard-hitting cartridge and make for a suitable outdoors 1911. Twenty years ago, a correspondent in Alaska, asked me to help work up an outdoors load for his use as a lawman that would also be suitable for dangerous animals. Both bad guys and wolves come with a layer of fat and fur, he said.

I worked up a Hornady 250-grain XTP at a hot 938 fps. I used heavy-duty recoil and firing pin springs. I loved the load, although it cracked the frame of my 1911 at a high round count. However, by then, I had won several bowling pin matches. I retired the Colt after 15,000 rounds. A friend purchased it and used it with the cracked frame for many years. I think my Alaskan pen pal liked the load as well. I looked to the magnum revolver as my choice for trail gun once again.

Ruger SR1911 10mm

Ruger SR1911 10mm pistol with two Ruger and one Mecgar magazines
The 10mm is supplied with two magazines, we added a MecGar magazine.

I had experience with the 10mm 1911, but their reliability and longevity were not what I wanted, then came the Ruger SR1911. This pistol features adjustable sights, making it a true outdoors pistol. The bull barrel and full-length guide rod made for a muzzle-heavy pistol that dampened recoil. This pistol is as suitable for constant carry as any steel frame 1911.

The SR1911 features a well-designed beavertail safety that helps with the pistol’s recoil. The Ruger weighs 39 ounces. This is recoil-absorbing weight! Even with full power loads, including the Double Tap 200-grain flat point, recoil was controllable. The piece allowed relatively fast follow-up shots and rode well on the hip. Good leather wasn’t hard to find.

Most of us never encounter a bad-tempered bear or cougar. Wild animals demand a certain set-off distance for comfort, and when you invade that comfort zone they may become belligerent. Plan A is to avoid trouble. The Ruger 10mm makes a good plan B. However, load choice makes the difference. If you wish to use the pistol for deer or hogs, the Hornady 180-grain XTP is a great choice. Federal Cartridge offers a bonded core 180-grain bullet that offers excellent performance. It is a pure hunting load. For defense against dangerous animals, the hard-cast lead bullet loads from Buffalo Bore work well. We need as much penetration as possible.

Double Tap 10mm cartridge showing a 135-grain JHP bullet over a 95-grain lead ball
The 10mm is versatile. This is a 135-grain JHP over a 95-grain lead ball, as loaded by Double Tap Ammunition.

An outdoors pistol is often exposed to the elements. Stainless steel is a good choice for most of us. The primary cause of finish wear is friction as the piece is drawn from a holster. A tightly-fitted leather holster offers a good balance of speed and retention. My pistol is most often carried in a Galco Combat Master, a classic design with much to recommend. My personal SR1911 10mm has been upgraded with a few judicious modifications.

Friends using other examples have reported 4.75-, 5.0- and 5.25-pound trigger release. My SR1911 arrived with a 7.0-pound trigger compression. I performed a trigger job and replaced the trigger, sear, hammer, and disconnect with quality Ed Brown parts. The trigger was adjusted to 4.25 pounds—ideal for a trained shooter.

There are areas in which feral dogs are a problem. I have dealt with them and seen what they do to livestock children and the elderly. The 10mm is a good choice for these problems. With proper loads, the 10mm is well suited for defense use against mountain lions or small bears.

From the Bench – Five Shot Groups at 25 Yards

Ruger SR1911 10mm
CCI Blazer 180-grain FMJ 2.8 inches
Federal 180-grain Hydra-Shok 2.0 inches
Hornady 155-grain XTP 2.2 inches
Hornady 180-grain XTP 2.0 inches
Double Tap 135-grain JHP 2.5 inches
Buffalo Bore 200-grain FP 2.0 inches
SIG Elite 180-grain FMJ 2.2 inches

I added a magazine well that aided in rapid magazine changes. The pistol was also fitted with a set of Ahrends Skip Checkered grips. These are first class, hand-cut grips that offer a good balance of adhesion and abrasion. This combination of upgrades made a difference in handling. My choice for outdoors defense and trail use has turned out well. The pistol is also suited for town use, with proper loads and a well-designed IWB holster.

three brass cartridges loaded with Buffalo Bore hard cast lead bullets
Buffalo Bore’s hard-cast lead bullet offers excellent penetration.

I like the 10mm very much. It isn’t as controllable as the .45 but much faster into action and for fast follow-up shots than the Magnum revolver. It is accurate, reliable, and with certain modifications, a very good shooting handgun. When originally adopted by the FBI there were two tiers of loads, a standard defense load and a high-powered, high-penetration loading. This works well for outdoorsmen.

There is no denying the power of the 10mm cartridge. What experience do you have with the 10mm? How does it compare to large caliber magnum revolvers? Share your preferences in the comment section.


Sign up for K-Var’s weekly newsletter and discounts here.

Filed Under: Pistols, Self Defense Tagged With: animal defense, Buffalo Bore, Double Tap, Federal Cartridge Company, Hornady, hunting, personal defense, Ruger, SIG Sauer Elite ammunition

Reader Interactions

Comments

  1. Steve says

    February 13, 2020 at 4:00 pm

    I have the Colt Delta Elite rail and the Glock 29sf for concealed carry and also the Rock Island Armory Commander size, Great knock down, if you get the right ammo, I like the 200 and the 220 grains cast and also the 1825 feet per second Underwood. Very impressed with the 10 mm. And that is a very beautiful weapon you have , congratulations

    Reply
  2. Billb says

    February 13, 2020 at 5:41 pm

    I like the 10mm even though it’s fairly expensive. I have a Smith 1006 that shoots well and is heavy enough to tame the round. I also have a Colt Delta Elite but it’s a 1980s production and is still new in the box so I’ll probably never shoot it. I’m also thinking about a Ruger or Smith revolver.

    Reply
  3. Hubcap says

    February 14, 2020 at 3:42 pm

    I have a RIA 10mm. It shoots very well. I took a 175 lb. whitetail buck at about 75 yds. with one shot using Underwood 155 gr. JHP. Dropped like a box of rocks.

    Reply
  4. Mike says

    February 15, 2020 at 12:19 am

    Even better than the 10mm is a 1911 .45 converted to .460 Rowland. Now you have a 230gr hollow point or solid leaving the muzzle at 1300fps. This is .44 Magnum power in a fast reload handgun. The SR1911 stainless converted is probably as good as it gets for bear country.

    Reply
  5. Kalashnikov Dude says

    February 15, 2020 at 9:33 am

    So, in your mind, “ex cons” have no idea how to treat an animal? As if specifically, as a group worth mentioning here? And the four year old girl would probably be alive now if she had only been armed with a “large caliber pistol”? What the Hell? You should have finished with all that. Because it nullified everything you’ve said after.

    Reply

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *


The reCAPTCHA verification period has expired. Please reload the page.

Primary Sidebar

Subscribe to the Muzzle Flash – The K-Var Armory Official Newsletter!

* Required field
Marketing permission: I give my consent to to be in touch with me via email using the information I have provided in this form for the purpose of news, updates and marketing.

Recent Posts

  • Trump’s 50% Tariff Threat: Impact on Imported Firearm Prices
  • Circle 10 “Waffle Pattern” 30-round Magazine: As Good As it Gets
  • The LF308 Battle Rifle AR-10
  • Long Range Shooting 3
  • K-Var’s 180-Day Layaway Program: Own Your Dream Firearm, Interest-Free!
Gun Broker Auctions

Archives

  • May 2025
  • April 2025
  • March 2025
  • February 2025
  • January 2025
  • December 2024
  • November 2024
  • October 2024
  • September 2024
  • August 2024
  • July 2024
  • April 2024
  • March 2024
  • February 2024
  • January 2024
  • December 2023
  • November 2023
  • October 2023
  • September 2023
  • August 2023
  • July 2023
  • June 2023
  • May 2023
  • April 2023
  • March 2023
  • February 2023
  • January 2023
  • December 2022
  • November 2022
  • October 2022
  • September 2022
  • August 2022
  • July 2022
  • June 2022
  • May 2022
  • April 2022
  • March 2022
  • February 2022
  • January 2022
  • December 2021
  • November 2021
  • October 2021
  • September 2021
  • August 2021
  • July 2021
  • June 2021
  • May 2021
  • April 2021
  • March 2021
  • February 2021
  • January 2021
  • December 2020
  • November 2020
  • October 2020
  • September 2020
  • July 2020
  • June 2020
  • May 2020
  • April 2020
  • March 2020
  • February 2020
  • January 2020
  • December 2019
  • November 2019
  • October 2019
  • September 2019
  • August 2019
  • July 2019
  • June 2019
  • May 2019
  • April 2019
  • March 2019
  • February 2019
  • January 2019
  • December 2018
  • November 2018
  • October 2018
  • September 2018
  • August 2018
  • July 2018
  • June 2018
  • May 2018
  • April 2018
  • March 2018
  • February 2018
  • January 2018
  • December 2017
  • November 2017

Categories

  • 1911
  • Accessories
  • Ammunition
  • Anything AK
  • Anything AR
  • Arex
  • Arsenal
  • Blades
  • Browning
  • Cartridges
  • Charter Arms
  • Colt
  • Comics
  • Conservation
  • Dan Wesson
  • Deer
  • Derringer
  • Gear
  • Glock
  • Hearing Protection
  • Holsters
  • How To
  • How-To
  • Hunting
  • Industry
  • Kahr
  • Kel-Tec
  • Lasers
  • News
  • NFA
  • Night Vision
  • North American Arms
  • Op-ed
  • Optics
  • Optics
  • Pistols
  • Politics
  • Predator
  • Product Recall Notice
  • Red Dot
  • Reloading
  • Reviews
  • Revolvers
  • Rifles
  • Rimfire
  • Rock Island Armory
  • Rossi
  • Ruger
  • Ruger
  • Savage
  • Second Amendment
  • Self Defense
  • Shotguns
  • SIG Sauer
  • Small Game
  • Smith and Wesson
  • Springfield
  • Tactics
  • Taurus
  • Thermal
  • Turkey
  • Uncategorized
  • Video
  • Walther
  • Waterfowling
  • Comics
  • Privacy Policy
  • Terms
  • About
  • Newsletter

Copyright © 2025 · K-Var Corp · Log in