Swiss K31 Bolt Disassembly

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The Swiss K31 is an old rifle that is still revered today because of its superior accuracy and smooth action. The straight pull bolt has a unique design over other bolt action rifles of the time period. The disassembly of the K31 bolt is much easier then it looks, and the engineering behind it is remarkable! This video demonstrates how to completely strip the K31 bolt and reassemble it.
View in HD 720P for the best clarity!
Thanks to Jason Shaw @ Audionautix.com for the music.

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19 окт 2013

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Комментарии : 90

@farmerbrown84 9 месяцев назад

Just got my K-31 delivered yesterday (in Switzerland) and this helped with tear-down. Thanks.

@notwrongbyalot 7 месяцев назад

Thanks my bolt came disassembled . You're channel is about guns and astronomy good combo. Keep up the good work.

@jayb8369 Месяц назад

Just picked up my K-31. Appreciate the video instructions for the bolt disassembly/reassembly. Thanks.

@tracey1013 4 года назад

Thanks for the video. I just got a K31 and wanted to take it apart to make sure it was okay to shoot before I take it to the range.

@flamingosextet8649 3 года назад

Lovely design- no tools needed! Thanks for the info! Will take care of mine this afternoon with this information.

@w1cny 9 лет назад

Thanks ! Great instructional video..just when I needed it !

@domoore546 Год назад

Thank you so much for the video, once I got it apart I understood how simple this really is!

@AstroBlender 10 лет назад

@GarandThumb Thanks, you'll love it. It is my favorite rifle ever made and for good reason. They are incredible!

@prankmonkeyxs650 4 года назад

Just got one and needed to learn more about it, this was perfect!

@TommyboyGTP 9 лет назад

Great informative video. Thanks for posting!

@paultreiber5597 6 лет назад

Just got mine yesterday shoots like a champ

@Jaden48108 5 лет назад

Good job. I've always been a little resistant to take down the bolt assembly, but this gives me confidence. Good job. And you're right, if you're a surplus rifle affectionado and don't own a Swiss K-31 you're missing out on one of the best rifles ever past, present or future. To produce a K-31 today with its superb craftsmanship and quality would cost $2K to $3K. You can still get them for less than $500.

@joenoffsinger6376 3 года назад

I think any informative video on the K31 should end with, if you don’t have one, then you should try to get one! My fav rifle.

@stevef8081 Год назад

Thanks so much! I had my bolt out and it flew apart!😂 You helped me get it back together.

@AJ-tn3uu 2 года назад

Fantastically clear and helpful -- thank you!

@MaxMinXX 5 лет назад

THanks for this. Really great video and explanation.

@klimovichrusland 9 лет назад

Very good video ! Easy to understand. Thank you so much Slymin.

@AstroBlender 9 лет назад

Ruslan Klimovich You're welcome!

@Tessesman 3 года назад

Thank you for posting this video, very helpful.

@markyourtarget1192 10 лет назад

Just bought one today! Thank you for this video!

@AstroBlender 10 лет назад

No problem. I shot mine yesterday. They are amazing, definitely my favorite rifle.

@kylegunem2563 10 лет назад

Very helpful info just bought one today, and was stuck putting it back together lol. Thanks again for the sweet video.

@AstroBlender 10 лет назад

I'm glad you found it helpful. I hope you love your K31!

@gavingaming123 8 лет назад

Thanks for this video, hopefully picking up my K31 tomorrow as my firearms certificate came today !

@AstroBlender 8 лет назад

+GD Very cool! My favorite rifle for sure, I'm sure you'll love it!

@MrInternut 8 лет назад

excellent video...thanks! I just got a 1954 k31 and love it!

@AstroBlender 8 лет назад

+MrInternut Sweet! Yeah, it is my favorite rifle for sure! I want to get a walnut stock K31. Those are beautiful rifles.

@gavingaming123 8 лет назад

Picked K31 up yesterday and was able to strip bolt and reassemble bolt no problem thanks to your vid! Discovered troop tag as well ! Amazing engineering. All the best from Scotland

@AstroBlender 8 лет назад

+GD Awesome! I'm glad the video helped and that you're enjoying your K31! The troop tag is always a plus!

@michaelhofmann5091 7 лет назад

Under the metalpiece on the stock? If you like, we could find out to what personell it belonged.. Just Reply, and we'll find out.. Greetings from Switzerland

@timfarley6493 7 лет назад

Good presentation, and easy to follow; thanks for sharing.

@AstroBlender 7 лет назад

Thanks!

@jamesr7583 10 лет назад

Nice video. I just picked up a k31 myself.

@Jojo69869 4 года назад

Good job and thanks!

@beverke7 10 лет назад

nice vid, I love the K31 too, enjoy it !

@AstroBlender 10 лет назад

Thanks! Yeah it is the best rifle ever :)

@srh4475 10 лет назад

Great informative vid. Thanks for posting. I own a K31 but have yet to fire it. Thought the bolt would be difficult to take apart but you made it look pretty simple.

@AstroBlender 10 лет назад

Yeah it isn't bad. You will love your K31!

@elricm13 7 лет назад

Great video, thanks!

@AstroBlender 7 лет назад

No problem!

@natedoris1440 9 лет назад

Awesome tutorial. Thanks man

@AstroBlender 9 лет назад

Nate Doris Of course; glad to help.

@mosepeduzzi5901 6 лет назад

Thanks for the Video

@peteraugust5295 5 лет назад

nice video. Just one little thing to add: twisting the bolt sleeve wont help you disassemble it. You have to twist the boltface, as that is whats holding everything together! you need to rotate it about 90 degrees in order to get the sleeve of the bolt face.

@CountBifford 11 месяцев назад

I think with a straight pull bolt action, it might be possible to design a bolt-action rifle that can be easily converted to a left-handed configuration. You just rotate the bolt carrier 180 degrees.

@waldothegreat100 6 лет назад

Great and helpful video. My bolt turned out to be a little different. The charging handle had groves that needed to be aligned when replacing and my firing pin only fit on way. So if you are having trouble with putting you bolt back together you might want to see if you Rifle is like mine.

@aksuperhero 9 лет назад

great vid

@AstroBlender 9 лет назад

aksuperhero Thanks!

@ericsanford7075 11 месяцев назад

Thank you

@thetelemarkdaydream8896 7 лет назад

Nice video. Merci.

@AstroBlender 7 лет назад

Thanks!

@Sergei_Ivanovich_Mosin 10 лет назад

The syringe look is the first thing I noticed about it, ever since then I've often referred to it as the syringe gun.

@unclewiddy 7 лет назад

thanks for video

@AstroBlender 7 лет назад

Sure!

@yanleplay3088 10 лет назад

Nice video! The Swiss grease is called Automatenfett. The K31 maker was the Waffen Fabrik in Bern. I like the K31 but I find it too fashionable and a bit small ;-) That's why I've just ordered a G11 (Infanteriegewehr 1911) :-)

@AstroBlender 10 лет назад

Thanks for clarifying! Good information, I thought it was always SIG that made them but clearly you know better then I! I think the K31 is the perfect size but I wouldn't mind having a 1911 either! Enjoy it!

@CHmale81 7 лет назад

Thanks for the toutorial, could esaly dissasemble my Grandpas K31 bolt. Got passed down to me lately, loocking forward to put bulets trough it. Out of curiosity @Slymin why covering the serial number?

@bodyno3158 3 года назад

It's basically equivalent to a car's plate, or VIN number.

@bumpercoach Год назад

good close views but better if you repeat reference things like "straight across from the handle guide you see on the right"

@Rosi_in_space 8 лет назад

The grease is called "Waffenfett" which just means "grease for firearms". There is also "Automatenfett" but its more to be used in semi/ full auto firearms.

@AstroBlender 8 лет назад

+turbostewi That makes sense! Thanks for the info!

@archerarcher8181 5 лет назад

What's is the importance of concealing the serial number?

@mabooali 9 лет назад

Thank you! beautiful Video explaining very well. one thing tho!? where can we get that Walton grease? I used some little amount of Fire Clean + some gun grease just enough to kind of lubricate the surfaces of both metals sliding against each other. any suggestions please?

@AstroBlender 9 лет назад

Autofettenmatt, I think you might be able to get some on Ebay. It might come in some old cleaning kits if you buy an original.

@mabooali 9 лет назад

Thanks. I will try that! i used normal gun grease and fireclean. so far so good but original Swiss might work better!?

@AstroBlender 9 лет назад

Yeah that stuff is awesome. Modern day products are great, but I always prefer the original grease.

@JoeyP322 10 лет назад

Awesome video... Thanks for the information... The bolt in my K31 had a light film of some type of 'oil' on it. The bolt seemed "clean" so I didn't wan to mess with it. Any pointers if I should clean it with some type of gun cleaner, or leave as is? Mine is from 1938

@AstroBlender 10 лет назад

I think you should be just fine, however if it was me I'd get a grease on it and not oil. It will make the K31 way more smooth. Sweet that is a pretty early model! Does yours have a walnut or beech stock? Typically the walnuts have beautiful tiger stripes.

@JoeyP322 10 лет назад

OK, Thank you very much....

@AstroBlender 10 лет назад

No problem!

@antoniodebastos4864 8 лет назад

merçi pour la demnstration

@jayb8369 29 дней назад

The grease is called "Waffenfett."

@ericsanford7075 11 месяцев назад

Do you know what type of great should be used to lubricate the bolt? Iwiped off the great in error and used CLP instead. Thank you

@AstroBlender 11 месяцев назад

The Swiss used Waffenfett or Autowaffenfett. That grease is excellent!

@ericsanford7075 11 месяцев назад

@@AstroBlender thank you 🙏!

@pablo1870 9 лет назад

Which parts do you grease?

@AstroBlender 9 лет назад

P23X I grease the bolt, and just the point of contact that the firing pin mechanism touches the sear in the action. That is all.

@karimbavi4802 Год назад

سلام ،اگرابعادواندازه قطعات هم بانقشه گذاشته میشد،خیلی بهتربود

@michaeleberly7351 9 лет назад

Rather that use the term "tension", you should use the term "compression",

@thierrypasqualini8682 9 лет назад

petite difference avec le k11,et g11 !

@michaelchaney200 Год назад

How much to make me one

@JosheyG34 Год назад

does not pull apart even after hitting with hammer

@Chocoboranger 7 лет назад

You forgot to take the extractor off.

@danielgoodman932 9 лет назад

Any reason why the serial number is duck taped?

@danielgoodman932 9 лет назад

***** I mean only around 500,000 K31's were ever made so i could find it somewhat reasonable to conceal the serial number. Then again I'll just stick to Mosin's because serial numbers for the most part on Mosin-Nagant's don't mean much.

@danielgoodman932 9 лет назад

***** So basically you're paying around 300-500 dollars for a bolt action that has one of the hardest ammo's to find? Why? I can understand it just being a collector's piece but for recreation it's nearly impossible. And i honestly couldn't tell you why he would hide the number.

@danielgoodman932 9 лет назад

***** That's awesome dude....