r/canadaguns • u/milanskiv • May 12 '26
Feets / Collection / My build XCR magazine SKS chassis progress
I made a few updates to my project. Forend connection interface is now much more discrete and will allow for many different handguard styles planed.
Material is now Polyphthalamide Carbon Fiber which can handle impact like a champ and up to $250 degrees Celsius temperature.
Magazine release is much more tactile with a better spring and the whole magazine release is now easy to replace in 20 seconds in an unlike scenario of failure.
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u/some_guy2024 May 12 '26
Looks great! Need a beta tester? Haha
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u/Iokua_CDN May 12 '26
Honestly... I'd love if this came into production. I'd love the lar mags without having to do a ton to my rifle
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u/Embarrassed-Gur1769 May 12 '26
How many mag dumps would it take to reach 250 degrees?
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u/milanskiv May 12 '26
For the barrel itself around 100 rounds. That’s the barrel itself. Airgaped around 1 inch away is the forend which would be at ~90-120 degrees. The parts that are touching the feels themselves should not cross 150-230 degrees.
To make the forened itself reach 250 degrees , you would need 200+ rounds fired “aggressively”.
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u/Q-Ball7 In the end, it's taxes all the way down May 12 '26
Just like every other plastic gun, unless you're intentionally trying to destroy it, you're not going to be melting this.
Plastic isn't that thermally conductive- even if it was touching hot metal, it would take a while for it to even start melting. It's a very good material for this application, which is why most guns today are made of it.
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u/ActCompetitive1171 May 12 '26
How are you manufacturing this? 3D printing? How does one get into that?
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u/Evilstib May 13 '26
Buy a printer, get fusion 360/blender & play. The learning comes from being curious.
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u/Perfect_Diamond_1128 May 12 '26
is that a metal handguard? so metal for handguard, plastic for main body, and metal stock?, i like it. im broke as shit though
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u/Old-Selection-1012 May 13 '26
XCR Mags work without a dremmled or modified receiver if I've read your other comments correctly on other threads. How does that work? Or AK or Type 81 mags.
I got the TNA one before and had to hog out the receiver and cut feed ramps for the rounds to chamber properly, modified the bolt as well. Never field tested it. Sold the kit and just went back to the internal mag.
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u/milanskiv May 13 '26
No. You still need to modify the gun. There is no way around that. But you do not need a separate adapter , chassis is the adapter.
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u/BagAdditional9150 May 25 '26
To clarify, do you mean the only the bolt? Or yes the receiver must be modded?
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u/milanskiv May 25 '26
you still need to modify the receiver or the magazine won’t sit high enough to feed reliably. Anyone who tells you otherwise is lying.
There is a g9 adapter that does NOT require mod to the receiver but then you have to mod magazines and if you mod magazines you are limited to 5 legally.
As I said in another post I could claim “no action mod required” but then you still have to mod the mags. I would always rather mod the receiver than the mags. Always.
You can absolutely use dremel to do the job right on under an hour but you need a carbide burr which is like 20 bucks.
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u/goshathegreat May 12 '26
Looks very nice dude!