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The Evolution of the Custom Combat .45

How customizing the M1911 for a combative role led to a whole new breed of Browning's big slab-sided pistol.

3/1/2011

Sandy Koufax pitches a perfect game against the hapless Cubs while Gemini 4 astronaut Ed White executes the first space walk above the Earth. The Beatles play the first “stadium concert” in New York; Lyndon Johnson is sworn in for a full-term as president; and the first Colt M1911 Government Model is “combat customized.”

The year is 1965, and the funeral of Sir Winston Churchill captures far more attention than the ministrations of Swedish gunsmith Armand Swenson. His remarkable modifications to a Colt Government Model, however, are proving to be a watershed event in the development of the M1911. Swenson created the custom combat .45.

Custom tuning of the M1911 is not new, but, prior to Swenson, gunsmiths such as Bob Chow, Jim Clark and Al Dinan had focused solely on accuracy work for NRA Bullseye pistol competition. Along with lightening triggers and installing adjustable sights, the Government Model had never been customized specifically for combative purposes—a genre that later came to be known as “custom combat” gunsmithing—until a handful of pistolsmiths in Southern California began modifying the big slab-sided pistol for down-and-dirty use.

The late Armand Swenson remains the foremost of these pioneering pistolsmiths and the man who defined the custom combat .45 for evermore. A former state champion Golden Gloves boxer, the barrel-chested Swede worked a day job at Boeing. His hobby was building custom hunting rifles using surplus Mauser 98 actions and stocking them with elegant pieces of walnut. Swenson loved guns and he was a gifted craftsman—a rare combination. His other passion was speed. Armand designed high-speed racing boats in his off-time.

And back in 1965, things were indeed happening fast in Southern California. In a sleepy mountain resort called Big Bear, Jeff Cooper was holding “combat shooting” matches in the South West Combat Pistol League.

Ray Chapman was one of the top shots, using an M1911 against the likes of Jack Weaver, Thell Reed and Elden Carl. The exigencies of fast, close-range shooting in a sport with no alibis (unlike NRA Bullseye shooting where a jam wasn’t penalized) led to a need for a rather specific list of custom work to be performed on the Government Model.

Arnold “Al” Capone of King’s Gun Works in Los Angeles became a favorite of the local combat shooters, and it might well be argued that the first custom combat M1911s were built by Al Capone and one of his hired hands, a gunsmith who would receive great acclaim in his own right as the inventor of the long-slide M1911, Jim Hoag.

Meanwhile, word spread about Armand Swenson after several of his custom Mauser rifle customers brought their M1911s to his Gardena, Calif., shop. There the friendly Swede, who called everyone “Laddy,” readily took to the Model O. His modifications were not only eminently functional but also aesthetically pleasing. A Swenson gun from the 1960s looks just as dashingly serious today as it did then. In fact, no other custom M1911 has ever achieved such a distinctive “look” as a Swenson .45, a style so influential that pistolsmiths 40 years later still mimic the Swede’s trademark touches.

Combat Custom Features
Consider this beast we call the custom combat M1911. Many of Swenson’s customers were soldiers and Marines deploying to Vietnam. One of them, a West Point graduate who would become one of the foremost experts on military small arms before his untimely passing, was Chuck Karwan. Karwan, then a young lieutenant, carried a Swenson-modified Colt on his Vietnam tours.

What did a professional soldier such as Karwan and an active competitor such as Chapman both demand in a Colt pistol? Three qualities were most important: handling, reliability and durability. First and foremost was handling.

Swenson checkered the front strap at 30 lines per inch to give the shooter a better purchase with sweaty, wet or, yes, bloody hands. If checkering works on highly figured walnut stocks, why not on a pistol?

To prevent the reciprocating slide from pinching the web of the shooter’s hand, the tang of the grip safety was bobbed and radiused. (Later, enlarged grip safeties were made, known as “beavertail” safeties for their resemblance to an aquatic rodent’s tail.)

Swenson developed an ambidextrous thumb safety featuring enlarged levers for faster, more positive access to enable the pistol to be operated with the left hand only. He patented his invention, the first such design. Today any right-sided thumb safety is referred to generically as a “Swenson safety.”

In order to enhance the ability of the shooter to fire quickly and accurately, Swenson installed adjustable “K sights” pirated from Smith & Wesson K-frame revolvers. Later, Swenson developed the “Swen-Sight,” a high-profile fixed sight with a large, serrated blade. The tiny Colt stock front sight was always replaced with a dovetail serrated ramp front sight that Swenson machined individually.

Facilitating a secure, two-handed grip—as advocated by Cooper and perfected by Weaver—Swenson welded the front of the trigger guard into a square, then he finished it by hand-filing it to shape and checkering it. Chapman and, later, Ross Seyfried won combat shooting world championships using M1911s with squared trigger guards for better purchase by their left-hands’ index fingers.

For those with large hands, a long trigger was installed and the pull was adjusted to a crisp 4 pounds. Often a flat mainspring housing with a lanyard loop replaced the arched style that came standard on Colt Government Models.

To make reloading the pistol easier in the heat of competition or the chaos of combat, Swenson beveled the inside edges of the magazine well. Looking at early Swenson pistols today and comparing them to the gigantic magazine funnels on today’s M1911s, we’d think of the beveling as mild, but back then it was a novel innovation.

To increase accuracy, before the day of aftermarket match barrels, Swenson installed a rivet on the left slide of the slide to hold a small steel pad brazed to the inside of the slide that he filed to fit against the side of the barrel hood. This created tension on the barrel where it mates to the slide’s breech face, stabilizing the barrel and centering it. Swenson called it a “barrel tensioner.” Of course, the link was properly fitted, and an over-size bushing was made to fit the slide.

Turning to reliability, the ejection port was lowered to prevent fired brass from deforming at the mouth, an all-too-common occurrence on factory Colts and a sure sign that brass was not being ejected cleanly. Extended ejectors, like those found on the then-recently introduced Colt Commander Model, were installed and the extractor was tuned for the correct amount of tension on the case rim.

To make the Government Model more durable Swenson drew on his experience at Boeing, where he had learned that metal corrosion and abrasion can be dramatically reduced with a finish known as hard chrome. Indeed, the U.S. Army had learned the same lesson and was hard-chroming barrels on M16s. The matte hard-chrome finish on M1911s is one more Swenson innovation.

A fourth category of custom work on this new entity known as a custom combat .45 finally came: good looks. The aesthetic appeal of a hand-tuned M1911 came into its own on Swenson’s cluttered workbench in Fallbrook, Calif., where he had moved from his original Gardena shop. Using a new rat-tail file (the process ate one new file per gun), Swenson stippled the top of the slide by hammering the file into the steel with a round brass bar. The rat-tat-tat-tat of the file being smacked by the bar created a subdued stippling that Swenson smoothed by bead blasting.

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6 Responses to The Evolution of the Custom Combat .45

Jake Karwan wrote:
March 08, 2011

Nice to see my Dad mentioned in the article. We still have his Swenson and it was nice to see it talked about.

Robert wrote:
March 06, 2011

In spite of owning and carrying several other fine handguns, My favorite has been and will always be my Pre 70 Colt gold cup (modified of course, but always 100% reliable)

Dean Dixon wrote:
March 06, 2011

An informative and excellent article as always from you, but I'll have to add that despite what the british tell everyone American Rock And Rollers from Buddy Holly to Elvis were playing arenas, stadiums, skater parks, ballrooms, auditoriums, theaters, race tracks and other large capacity venues long before the british were allowed to listen to Rock And Roll recordings imported into britain from America. That's an interesting historical note to keep in mind.

Gareth J. Smith wrote:
March 06, 2011

It should be noted that in the transition between the second & third generation pistols Jim Boland and Bruce Grey played a large part in that inovative period.

Tom Callahan wrote:
March 01, 2011

The right to bear arms should never be taken away from Honorable Americans. It's NOT GUN CONTROL. It's CRIME CONTROL. All criminals should never be able to handle any type of weapons. As long as you know how to handle a weapon you shouldn't need a license to use one. If you don't have a criminal record than your record speaks for itself. OLD GLORY salutes no one!!! The United States of America belongs to the people not the Goverment!!!

Larry Mallory wrote:
March 01, 2011

Ray chapman was a fine shot, and fine teacher and a fine friend! Wilson was sure in there, and Ross really brought the sport home to the rest of us with his fine articles. I think Ray also influenced Ed Brown, but that would be up to Ed to say. A lot of practicle pistol shooting in the early days was positively effected by Ray Chapman.