RTI Mannlicher 1888/90 - Honing the Bore

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My previous video on cleaning the bore of my Mannlicher 1888/90 from Royal Tiger Imports revealed deep pitting in the last few inches of the barrel. Can I improve it?
Part 1 - Unboxing & First Impressions • Mannlicher 1888/90 fro...
Part 2 - Disassembly & Cleaning • RTI Mannlicher 1888/90...
Part 3 - Cleaning the Bore • RTI Mannlicher 1888/90...
Part 4 - Honing the Bore
Part 5 - Stock & Reassembly • RTI Mannlicher 1888/90...
Part 6 - Shooting • RTI Mannlicher 1888/90...
DISCLAIMER
All subjects featured on this channel are shown for historical and informational purposes only. All gunsmithing work is intended to restore the item to it's original condition, never modifying to serve any other purpose. In no way, shape or form is anything featured on this channel ever intended to be sold at any time. Any messages regarding selling a firearm, ammunition or an accessory will be removed. Everything shown is legal where the creator is located, please check your local laws.
00:00 Intro
01:02 Making the arbor
01:34 Attaching the sandpaper
02:33 Honing the bore
04:50 Checking progress
05:14 More honing
06:50 Polishing the bore
07:36 The results
07:56 Measuring the bore
08:32 Conclusions

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5 авг 2024

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Комментарии : 38

@craighansen7594 6 месяцев назад

I have sanded a very rusty bore before. First I did scrub it with a bristle brush. Then I made a wood plug by pushing it repeatedly thru the bore. I added lapping compound to the shaped wood plug, that step really seemed to redefine what was left of the rifling.

@_MrGiggles Год назад

I never thought I would say this, but: I'm glad you ran some sandpaper down the barrel! Plus, if you ever wanted to sleeve the inside of the barrel in the future, you'll be one step closer!

@rakumprojects Год назад

It felt just plain wrong to put sandpaper in the bore! But I got over it quick when I saw how much better the pitted spots looked

@charlene2400 Год назад

This one was probably best used to cut down and make a carbine, but I like your idea. A plus, is it still leaves options open, such as proper cut down, or sleeving.

@rakumprojects Год назад

If I ordered one of RTI's Ethiopian cut down Mannlichers I'd have no hesitation about cutting it down. Would probably look pretty cool

@worldofthearms6976 Год назад

Well I might just have to do this with my 1888/90 I got from RTI. Nice video!

@kibbeystovall7546 Год назад

The polishing's biggest effect it will have on your shooting will be to reduce the metal (i.e. jacket) fouling the rough bore will collect. It was good to remove the flaky rust on the bore's surface, but that would have probably shot clean with only a few rounds. The badly pitted bore closer to the chamber will still likely strip a lot of jacket material. Expect a LOT of blue/green patches when you clean it. You simply need a new barrel to fix the issue.

@MegaBait1616 10 месяцев назад

BTW if ya would what is the tool ya use to measure the bore called.. I've been reloading for decades and don't know :( TY.. MB.

@rakumprojects 10 месяцев назад

It's called a small hole gauge. It's a machinist measuring tool, not really made for reloading specifically but they come in handy. My set is made by Starrett.

@MegaBait1616 10 месяцев назад

@@rakumprojects , thank you gotta get one.... be well.

@neuzdost1939 Год назад

Seem like RTI is in the business of selling the most expensive scrap metal on the planet

@RUSTYCHEVYTRUCK Год назад

Mines in similar condition but I was planning to change the caliber anyway, I wonder if the action is strong enough for 54r

@rakumprojects Год назад

You're swapping the barrel? Most people say you can shoot 7.62x54r out of Mannlicher 88's, however the bullet is undersized at .311" vs .329"

@RUSTYCHEVYTRUCK Год назад

@@rakumprojects I would like to, I just keep hearing about how the action is too weak and full size smokeless cartridges would blow the bolt out like miss assembled ross mk3, thanks for the input. Also it’s proving hard to find replacement barrels let alone a barrel in a different cartridge

@sacriptex5870 2 месяца назад

hey dude try to recut the rifling would be a cool project

@robertoservadei4766 7 месяцев назад

Have you ever tried the technique of shooting 2 or 3 lead bullets with their grease grooves filled with grinding compound? I remember and old magazine article written by Ross Seyfried on the subject.

@rakumprojects 7 месяцев назад

Never heard of that before but I'll look into it. Seems like a good idea for bores this bad.

@Hilth0Modding Год назад

Goddamn. Mine luckily still has rifling! Have you tried oiling your stock with linseed oil, mine came out great.

@rakumprojects Год назад

Sounds like you got a better one than I did. I have a video coming out next week where I put BLO on the stock

@danheimmermann3497 Год назад

Same here.

@Hilth0Modding Год назад

@@rakumprojects It's bore and wood look better but above the stockline is a little rough.

@owais146 4 месяца назад

Instead you can leave the barrel and action in diesal for about a week max it will clear the barrel better

@jamesvatter5729 4 месяца назад

Looks like you've essentially counterbored the muzzle.

@jason200912 Год назад

Test and see if a smooth bore performs better than a sewer pipe rti bore

@rakumprojects Год назад

I got a Mannlicher 95 from them that I'm working on now. Bore is much better than the 88/90 since there's rifling throughout but there's still deep pitting. I'm going to clean it out but nothing beyond that. I'll compare it's groups to the 88/90

@DesertCoyotes Год назад

Jesus....no....I've shot guns with heavily pitted bores and bullets don't get stuck...at least before there was a chance it might shoot minutes of car now you'll be lucky if it even sends bullets down range. Also you can fit the barrel of M95s and such in even the small 7x mini lathes so you must have even a tinier lathe....

@rakumprojects Год назад

I have a 10x20 with a .75" through bore. To fit the barrel, I'd have to remove the front sight base since it measures .910" without the blade. Then I'd have the problem of 20+ inches of barrel and receiver sticking out the back end. And even if I could get it in a lathe, what kind of tool do I use? A small boring bar wouldn't be rigid enough and a reamer would probably need to be custom made. As for how it shot, I guess you'll have to subscribe to see the results ;)

@DesertCoyotes Год назад

@@rakumprojects I did lathe work on a m95 barrel in my 7x lathe, removing the front sight and counter boring would of been a much better solution and not much more work, and would of given better results. I pulled the front sight on my M95 and it was easy. Regardless I would of shot it before to see if it was even necessary. You would true the barrel, drill and them ream. You could use a boring bar, certainly has been done before with low feeds and speeds. Far as barrel sticking out, also a non issue, keep the speeds low and it will be fine. I've done work on 20-30" barreled actions with the end sticking out.

@CheemskoGiondau Год назад

You could destroy the barrel crown during the honing process , man the thing will lose it's accuracy and became a smoothbore straight pull !

@rakumprojects Год назад

I would never do this to a rifle with a decent bore, but in my opinion a smoothbore is better (and safer) than a bore with deep pitting.

@CheemskoGiondau Год назад

Nah , anyway but did the gun barrel crown still there , and can you take a picture of the sight after assembling the rifle and put it in the video for us

@CheemskoGiondau Год назад

And thanks man , at first i think u were insane to honing the bore now , i understand that you just trying to remove the rust inside the barrel while still maintain the accuracy of the gun by not destroy the muzzle crown

@CheemskoGiondau Год назад

Did you have any plans on the gun new ammunition ? , this is an mannlicher 88 and this mean the rifle still not being converted to use the new m95/30 8x56r , and still shooting the round nose m93 8x50r austro hungarian service rounds

@rakumprojects Год назад

@@CheemskoGiondau I have some rounds made from 7.62x54r cases, using the same technique I used to make Siamese 8x50r. I loaded them light to account for the weaker 88 action. Now I just need to make it to the range to try them out.

@MegaBait1616 10 месяцев назад

This hurts to watch.........Rather just buy a shoot-able Milsurp rifle.. be well.