Winchester Model 74 (thing)
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The [Winchester Repeating Firearms|Winchester] Model 74 is a [rifle]. Specifically, it is an '[economy]' model of [semiautomatic] rifle which was introduced to the U.S. market in , firing a [.22 Short] [cartridge]. In , a version was offered which took the still-familiar [.22 Long Rifle] cartridge; the .22 Short version was discontinued in , and the .22 LR in 1955. Over 400,000 of these guns were sold.
In 1941, the Model 74 (its full name was the 'Winchester Model 74 Automatic (Self-Loading) Rifle') was sold at retail for approximately $18.50, although this varied by a up to a dollar either way depending on which caliber and which sight option you wanted. Both calibers were available with either an elevating [peep sight] for accuracy at range or an open 'sporting' sight for smooth and quick use in the field. With so many of these manufactured, they can be found today in used markets with little effort. Depending on their condition, prices range from around $100 to over $500.
I was digging through my Dad's house recently (well, digging through the closet in my room in Dad's house) and I came across one of these. I recalled it, because he had given it to me a decade or so ago - he mumbled something about "my gun when I was younger" and handed it over in a crumbling leather sheath. I opened the sheath and found a slightly rusted, frozen solid gun, its stock dull and dark. I remember sitting on the porch of the house, knowing almost nothing about how guns worked (especially self-loaders) but being willing to learn. I had a bottle of Rem Oil, a can of WD-40 and some Break-Free, along with some polishing cloths and various small brushes and tools from the cleaning kit I used to clean our more modern [Savage]-[Anschütz] .22.
The Model 74 is fed from a tubular [magazine] in the stock. There is a gate (a hole drilled in the right side of the stock at an angle) for feeding in cartridges. The magazine follower - a long tube with a spring-loaded plunger at the end - is unlocked in the [butt] and withdrawn far enough to clear the gate, and cartridges can be dropped in bullet-first. When the last bullet remains visible in the gate, the tube is reinserted, and the spring inside it will lock the cartridges up against the bolt and feed them into the [chamber] when their turn comes.
The [bolt] of this gun is a little unusual. It is in two pieces, and it can be extracted from the gun by depressing the button safety - which slides across the rear of the action, behind the bolt - all the way to one side and sliding the bolt out the rear. This makes cleaning it relatively easy.
The problem is that the way the bolt is constructed, it is fairly easy to "[dry fire]" the gun, and when you do, it is very easy to damage the [firing pin]. These pins are apparently hell to find these days, and I recall vividly that when I took the bolt apart (managing to do it without losing any pins or springs, which is a miracle) there were indentations on the bolt surface which indicated that at some point in the gun's past, the action had been fired with the firing pin misaligned from the chamber - causing it to actually punch a notch in the metal of the bolt. Ugh.
I remember, ten or twelve years ago, that I got it to fire, but I never got it to load properly. I'm not sure why. But I intend to revisit this gun, and to fully disassemble it, and maybe see if Gun Mentor and I can get it to work properly. That'd make me happy.
The Model 74 wasn't just a civilian [plinking] rifle. During [World War II], as part of [Lend-Lease], a number of these rifles were sent to the [United Kingdom]. They were used for two purposes - first, for training soldiers through the use of much cheaper .22 LR ammunition, rather than full-caliber [Lee Enfield]s. The second, though, was more interesting. When the UK expected to be invaded by the [Third Reich], during the [Battle of Britain], British '[guerrilla] forces' were set up. Each coastal county facing the Continent had a roughly 500-man force, dubbed 'Auxiliary Units' of the [British Resistance Organisation]. Soldiers in these units would be hidden, along with supplies, in underground bunkers and would wait for invasion forces to pass them by before surfacing and beginning a harassment and [LISTEN ALL Y'ALL IT'S SABOTAAAAGE|sabotage] campaign.
One of the weapons they were given was a consignment of some 660 Model 74 rifles, modified with telescopic sights and [silencers]. These were to be used by trained [sniper]s to kill [German] unit officers and sentries quietly, as well as (if necessary) for hunting for food supplies.
This gun is an integral piece of American shooting history from the mid-twentieth century. I hope I can get it to work; it's a light, small, easily-held rifle - and I'd love to see it shoot again. I'll update this node once I get a chance to work on it and (hopefully) shoot it.
I got the gun apart. It doesn't look too bad, actually. The action seems to work; all moving parts move except for the bolt retaining rod and bolt spring which are gummed/rusted in place. I am soaking all the metal bits in [Hoppe's No. 9] for the night (and a couple of bits in [Break-Free] where threaded parts are stuck) to see if that lets everything work loose. [http://imgur.com/E5iaY|Here's a picture of the gun.] From top left clockwise, the parts are: [magazine follower], [bolt] assembly (containing the bolt sections, [extractor], [firing pin], [sear], [timing rocker], [operating slide] and several [spring]s and pins), the [barrel] in the top center with the mounting [lug] on the bottom and the [cartridge] acceptor at the bottom back, two [buttplate] screws, the [stock] and [trigger], and the internal [magazine] assembly.
I also have a smidgen of an idea of what might have been causing it to misfeed. The magazine assembly comes through the butt and into the are just above the trigger at an angle. The cartridge acceptor (the black piece sticking out of the bottom of the barrel) is a ring attached to a small ramp which feeds the bullet into the chamber when the bolt is back. Underneath the magazine assembly, seated inside the butt, is a small but stiff spring which holds the magazine up against the acceptor. It is possible that this spring has weakened over time, and the magazine is no longer being held firmly in alignment with the bottom of the barrel. I'll test this hypothesis when we re-assemble the gun.
It turned out that the problem was more serious. At some point in the past, this gun has been [dry fire]d and I myself did so once while cleaning it. During one of those times (and it could have been me) the [firing pin] rotated and struck the chamber lip. The firing ping is not supposed to rotate, as far as I can tell - it's in two pieces but they're not supposed to spin relative to each other - so there is additional contributory cause. The upshot, though, was that the reason the gun wouldn't load to battery was because that pin strike at the chamber lip had created a tiny [divot] of metal into the chamber which was blocking the bullet from entering.
I ordered a replacement firing pin and a [chamber ream] and we'll see how that goes.
Finally got time to sit down and work on the 74. Using the chamber ream, I managed to clear the chamber of obstructions. A round will now smoothly seat in the chamber. Next step will be to replace the firing pin with the new one I received. This one has two sections just as the original does; however, this one will not allow the two sections to rotate. In addition, however, the end of this pin is a constant cylinder where the original pin was spatulate, ending in a squared-off punch. We'll see if this pin works as-is, or if it will need some modification.
Well, I didn't manage to get all the way. I ended up taking the gun to a local smith and machinist. They, to my relief, were able to reassemble it smoothly so that it functions again. It'll never be super accurate, but it works - and it's Dad's .22.
[http://www.rifleman.org.uk/Winchester_Auto_and_Winder_%20rifles.htm|Historic Arms Resource Centre: Miniature-Calibre Rifle Research Site (UK)]