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Some Tikka T3 short action AICS/Viperskin chassis finished!

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28 Oct 2013 09:39 - 28 Oct 2013 09:47 #41 by Jimboe
Jimboe replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way

Gregt wrote:

SmoothOperator_87 wrote: It has been suggested around a grand though I think if they were a few hundred cheaper there would be a phenomenal amount of orders


If they were a few hundred dollars cheaper they wouldn't be worth making given the time and materials involved. I do these as more of a hobby than a real business enterprise, I just had quite a few people ask about Tikka ones so I thought I'd do a batch of them. It's also a good excuse to buy a Tikka.


Precisely, also not to mention that any chassis stock that you'd have to import from overseas would be at least $1000 when landed. (e.g. Roedale).

Even non chassis stocks (i.e. composites) are more expensive than that for a Tikka. Say compared to the prices I was looking at for a Manners Elite Hunter 1 inletted for Tikka T3 with CDI bottom (For AI Mags) metal and some sling loops or flush cups, That's up over $1000
Prices in USD:
MCS-EH1: $569
T3 inlet: $55
CDI Bottom metal: $209 (from CDI, couldn't find a price from Manners on their site)
Atlas Rail $45.00
Flush Cup (Bottom Rear) $15.00
Pair Sling Loops For Flush Cups $22.00
1- Ouick Detach Stud For Flush Cup $9.00
total: $924, not including shopping. in USD.

which is approximately $965 AU, excl. shipping.


I'd much rather give my money to someone local and not have to deal with the 6-12 months wait and hassle of overseas shipping. I don't want to put anyone else off, but I'm prepared to go to $1200 for one of these when they're ready. Just throwing it out there. ;)

Keep up the good work Greg, They are looking bloody schmick mate.

I'm also ready, willing and able to place a deposit if you'd like to PM me your details. :)
Last Edit: 28 Oct 2013 09:47 by Jimboe.

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28 Oct 2013 13:00 #42 by Mark
Mark replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way

Gregt wrote: Here's a bit of progress, all the fiddly little bits like the tubes, spigots etc are finished now. I drew up the sling loops and they're getting laser cut from steel. I'm also going to do some to suit flush cups if anyone's interested.

Here's both bipod adapters I'm making, one is a straight Picatinny rail that replaces the front spigot, it'll also be hollowed out on top and have 2 flush cup holes in the sides above the middle rail slot. The other takes all the regular spigot accessories.

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These little spigot adapters are fiddly suckers to make, there's a lot of operations for such a little part but they came out well The lever is spring loaded and pivots on a hardened steel pin. The regular sling loop that hangs out the bottom of the stock pivots off a


pin in the bigger hole at the back.

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Here's both types with a rail mounted and a spigot mounted bipod attached.

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A few of the front and rear tubes. The rear tubes will have stainless thread inserts (nutserts) in those counterbored holes for the cheekpad adjuster screws.

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Here's a bunch of the front tubes, they have the Anchutz type rail slot on the bottom as well to mount other accessories. The hole closest to the front is where the sling stud hangs through.

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Great work Greg, I wonder if there would be enough width in the insert block to inlet for a sako trg bipod. When I'm in melb next week ill take some measurements

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17hmr, .22LR, 22-250, 260 rem, 30-06, 300 WM, 338 LM, 9.3 * 62 Mauser, 375 H&H, 416 Rigby, 458 Lott

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28 Oct 2013 14:39 #43 by Skip
Skip replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
Top notch as always Greg.

Hope you end up putting your logo ( wombat ) on somewhere for people to see.

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04 Nov 2013 13:22 - 04 Nov 2013 13:25 #44 by scythe
scythe replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
There is a place in the Mt Druitt (western Sydney) area of NSW that does "small batch" anodising, my mate who used to work at ross perfomance ( http://rossperformanceparts.com/ ) making harmonic balancers for track cars sent all the stuff from his work there and it looks really nice.
When I was thinking about getting something made i asked him how much his work paid to anodise there stuff, he told me it was $75 flat, didn't matter if it was 1 unit or 10 he also told me that red will turn pink over time and green will turn yellow, best colours were blue and black.
But given that harmonic balancers are a small item you might have to pay a bit more due to the size of tank and acid required.
But again that might be a bit far for you to send stuff.
Last Edit: 04 Nov 2013 13:25 by scythe.

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19 Nov 2013 21:55 #45 by Gregt
Gregt replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
I've got some updates coming shortly, I got hold of a Tikka this morning so it's been a busy day.

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21 Nov 2013 19:12 #46 by Gregt
Gregt replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
I tried a few different bedding methods and a V-block came out on top, the action locks in there beautifully. I got it all drawn up on Tuesday and made a plastic prototype just to make sure everything will fit, it actually all fits in really well. I've machined a pocket to take the Sterk hardened recoil lugs, it's not worth me making them myself given the work that John has put into getting them right and the price he sells them for is excellent.

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Here's a few machining pics from today..

Setting the blocks up square within +/-.01mm end to end:

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The relief holes at the corners of the magwell centre drilled:

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Then drilled:

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Roughing out the V-block. It's cut in 1mm steps:

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Then the top half of the magwell whichl will be finished from the bottom side, it's still got .5mm to come out. :

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With the roughing out finished, before finishing the V with a chamfering tool:

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Then a run around with a 45 degree cutter to finish the V:

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The V-block finished:

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A few with the top just about done, ready to machine the action screw holes, trigger pocket and recoil lug slot (there's also a left hand Tikka & Remington one in there ;) )

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Some more photos to come tomorrow.

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21 Nov 2013 20:27 - 21 Nov 2013 21:12 #47 by digger
digger replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
Greg

Looking good, real good.

Just trying decide on calibre. Thinking of 300 Win Mag so that I can get out past 600m.

Specs so far:
T3 Vartmint Blued barrel and action
300 WIN Mag
620mm Barrel
Grey Viper skins,
Sterk swept bolt handle
Sterk recoil lug
Titanium bolt shroud
Muzzle Break?
3-12x56 PM2 Scope
Sphur 20moa mount.
Atlas bipod

Any thoughts, input will be appreciated.

Paul
Last Edit: 21 Nov 2013 21:12 by digger. Reason: typo

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21 Nov 2013 21:59 - 21 Nov 2013 23:10 #48 by Gregt
Gregt replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
Hey Digger, these ones are short action but there is enough room by the look of it to do a long action in the long action skins. I've got an AI 300WM magazine here at the moment, I'll do a bit of measuring up tomorrow and just make sure it'll fit within the skins with room for the release lever. The rest of it is pretty much all the same given Tikka uses the same action for both short and long action.

These chassis need the long action bolt stop because the mag sits further back than the original Tikka one. I'm going to make a bunch of the little bolt stop levers to suit, if I leave the rear of the mag in the same spot as the short action it shouldn't be a worry. Those 10 round long action mags are absolutely huge though! I'll post up some photos of what it looks like tomorrow.

Edit: photo added.
10 round AI 308 (Left) 10 round AI 300WM (Middle) 10 round AI 223 (Right):

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Last Edit: 21 Nov 2013 23:10 by Gregt. Reason: added picture

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21 Nov 2013 22:43 #49 by BrianLara400*
BrianLara400* replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
Terrific work, I love threads like this with plenty of machining photo's.
and btw what's the gizmo in the background (something to workout the z-axis offset for individual tools?)

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21 Nov 2013 23:02 #50 by Gregt
Gregt replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
Thanks Brian, I agree, machine porn is great. I'm more interested in seeing how something is made than seeing the finished product.

Yep, the gizmo is a tool setter, you just bring the tool down until it does a turn of the dial back to zero and then set the tool length offset in the machine. Set the longest tool at zero and program the offsets on other tools to make up for the difference They sell an electronic one for this machine that you can just click the mouse and it will touch off and set the offsets but I don't do a lot of production stuff so the dial one does me. It's only a $100 Chinese one but it does the job really well. I also tried out that shiny 3 flute high helix cutter for the first time today, it buzzes through 6061, I think I might have to invest in some more.

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22 Nov 2013 07:51 #51 by jhonvdp
jhonvdp replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
Looking very good Greg, although i'm surprised you didn't get yourself a leftie Tikka!
Thanks for the machining pictures too - love seeing how it's made

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22 Nov 2013 13:02 - 22 Nov 2013 13:03 #52 by Red Quoll
Red Quoll replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
I love this thread :kiss:

Keep the pics coming mate :)
Last Edit: 22 Nov 2013 13:03 by Red Quoll.

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22 Nov 2013 13:15 #53 by M77
M77 replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
Love seeing quality work man ship . Between you and sterk your threads are sweet . Can you post a pic of what the finished product will look like ? Im not familiar with these stocks . Currently in the market for a stock for my 300wm . Cheers

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22 Nov 2013 16:58 - 22 Nov 2013 17:00 #54 by Gregt
Gregt replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
This is one I did for a Savage a while back, the chassis either fits the Viperskins:

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or the AICS skins:

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I measured up for a 300WM today and it's not really going to fit. There isn't enough room between the trigger and the mag for a release lever (using the AI mags anyway). I've had a look at the TRG mags as well and might run into the same problem. When I get some spare time I'll look into it a bit harder but it doesn't look like a simple job for a Tikka. Maybe get a 300WSM or SAUM? they'll fit ;)

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Last Edit: 22 Nov 2013 17:00 by Gregt.

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22 Nov 2013 17:24 #55 by M77
M77 replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
Some nice work there greg , shame about the long action ! The onky other mag I can think of is the Voere that Roedale is using on there lomg action stocks

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26 Nov 2013 23:18 #56 by Gregt
Gregt replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
M77, I'm going to look a little bit harder, I noticed that CDI are doing long action Tikka DBM's to suit the AI mags so there must be some room there somewhere for the mag latch.

A lot of progress over the last few days. The action blocks are done apart from the chamfer on the magwell and some deburring/finishing. I profiles the bottom of the magwells today which is about the last machining operation (this is actually on a Remington one but it's the same cut):

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I screwed everything together to try it all out and everything works beautifully, the mag sits at just the right height and it feeds like butter from the 10 round AI mag:

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The skins need a slight trim around the tang because it's longer than what a Remington is, it's about a minutes work on the linishing belt. The bolt has plenty of clearance to slide back and forward over the skin without any modifications to the skins. You can also see the bolt cutout, I'm hoping to be able to get hold of the Viperskins without the bolt lug cutout, if I can I'll trim the lug off and just have a small notch machined in the skin, I think it'll be a lot tidier. The chassis is also profiled to match the rear of the Viperskins which you obviously can't see here with the AI skins fitted:

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From the bottom with the mag fitted:

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The magwell, it's machined with 4 little mini rails that sit about .1mm proud of the rest of the well, 2 that the front of the mag sits against and one on each side at the rear of the magwell. It gives some clearance for dirt/dust without jamming the mag in the well (don't ask me how I found out about that problem). The mags have some wiggle room and the well will have a chamfer on the bottom to make them easy to slip in and out:

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The trigger sits in a very nice position, the rest of the dimensions are pretty much decided from where the trigger needs to sit:

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I'm almost at the point of organising the skins for these so if anyone wants a particular colour shoot me a PM.

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27 Nov 2013 08:03 #57 by jhonvdp
jhonvdp replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
Some skilled work right there! I like how you used the thru-holes for the skins to bolt down on the jig.
Make sure the bolt handle notch isn't too tight to allow for aftermarket bolt handles i've seen available for Tikka's ;)
As mentioned i'm keen for those OD flec skins you had on your savage build.

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27 Nov 2013 08:38 #58 by Gregt
Gregt replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
Thanks John, those holes are made for it, the block sits on a shelf on the bottom edges and rear of the magwell to locate it and the bolts have some clearance.

How much bigger diameter are your handles? I'll take a look at some photos of them and do these to suit with some extra clearance.

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27 Nov 2013 09:08 #59 by jhonvdp
jhonvdp replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
Sending an email with a drawing now.
As long as it clears an 8mm diameter it should be ok. AICS Rem chassis' are pretty generous with their square bolt cutout but that's probably a bit of overkill due to the size and bend of the Remington handle.

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27 Nov 2013 09:21 #60 by digger
digger replied the topic: Some Tikka T3 short action AICS/Viperskin chassis on the way
Greg

Tactical Black for me please.

Cheers

Paul

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