I say nearing completion because I can't say it's almost done yet or not.

I'm hoping that it runs well, but won't know until later this week or weekend.  Since it's pieced together from various left over parts and PCC brands, it's a crap shoot right now but I have tried to do my research to minimize known problems.

This gun was somewhat of an unexpected project.   With the anticipated rule changes the atf has set in motion, I stopped procrastinating and finished it.

To begin with, wasn't sure if I wanted to do another 45acp build and use 45smc or just do a 10mm.  I guess you should be able to figure out since I'm here that I wanted to try 10mm to see what it can do.

Everything but the flash hider and charging handle is here now, and enough to be able to get a picture.  I robbed one of my other charging handles on an upper that's not got another home until the one I ordered gets here.

It wasn't the handguard or optic that I wanted to use, but I can change both later as I can better afford it.  With the added cost of fuel and food right now, not sure when that's going to be though.

For the time being, I raided the spare parts box and that'll be good enough to get it running.  The handguard I wanted to use is a 13" slim handguard, rather than my old Olympic Arms FIRSH.  But, again, I can change it later.

Parts:
Stoner/Midway pistol caliber stripped upper
New Frontier Armory 16 inch 10mm carbine barrel
Wolfpack/home made 45 cal glock lower
Kaw Valley 40/10mm bolt carrier
Kaw Valley 10oz buffer
308 carbine buffer spring (I'm going to have to add a spacer or quarters in the back to better limit the travel)
Chip McCormick drop in trigger (this was too light and caused malfunctions--I have since switched to a rise armament le415 trigger).
Don't recall what brand(s) all the lower parts kit consisted of.  They were scattered throughout the spare parts box.
Magpul ctr stock.

Will be using glock and sgw mags.

I think that's about it for the time being until I get the flashider and ream it out and load up some rounds and see how they do.

I'm hoping to mainly use the gun for brush hunting whitetail and such.  I was wanting a 357 lever action, but this should be near the equivalent of that.  And not really that far off from light 41magnum either   *I hope*.

My state hunting regs limit is 10 rounds, so there's no difference in capacity from a long 357 lever action either.

Not sure how it works here, but on other forums, I hear "pics or it didn't happen" frequently.

The new gun is on the bottom nearest the camera.  The other two are my integrally suppressed 9mm and 45acp pair.

Looks like a fun project John, nice job!

Thanks.  It's been a fun project.  I've learned a lot more about the round and what parts seem to come preferred while researching and making it.   I'm thankful for that and forums like this that openly share it.

I'm looking forward to finishing it and being able to load some rounds this week.  I'm hoping it feeds well with the various bullet tapers.  That's my biggest concern.  If it has any sort of cycling problem, I can deal with that as it comes.  But, with using a heavy buffer and spring, shouldn't be too far off where I need to be to start with.

They're not as fun to design or make as my silencers and some of my other guns, and like most everyone have put so many AR's together that it's second nautre, but it's still be fun and I like learning about new stuff so that's a win.  You never get too old to learn about something new.

OK, I think it's done now.

I exchanged the handguard for one of the slim versions to try to make it as light as possible.  I have a few OEM glock mags for it that I believe I like better than the long korean stick mag.

Got the muzzle attachment installed this morning.  I suspect the ported brake would be loud to shoot without a can attached, but I seldom ever shoot anything without a can anymore.

Nice job John!

Thank you very much sir.  It's just something I enjoy doing.  Making and building.

I've been a pistol cal fan for years.  Even during that decade or so when it wasn't cool.  But, this is my first time fooling with the 10mm.  So, I have had a lot of questions and appreciative of the helpful responses and posts here, which has helped a lot.

I'm going to try to test the 14.5 gr  #9 powder loads with the 180gr truncated cone bullets to see how they do over the chrono.  I have some of the 155's loaded up too in case those don't feed too well or I don't like how the brass looks or something.  But I'm still almost 1/2 gr less than the Hornady #9 manual says I could run them.

The 155's did exceptionally well when I was testing them.  I wasn't expecting near the velocity that I was getting with the #9 powder.  They were just a little south of 1800 fps.

But, I would still like to test a few other bullet profiles and ogives to see if there is something the gun won't eat and to see where these clock in at. 

The 175 gr hardcast semi wadcutters are next on my list of things to try.  But, one step at a time. 

Absolutely, I picked up the (lowly) in many peoples minds Hi Point 1095TS 10mm Carbine some time back, and I tell ya, for all the bad mouthing they get, I haven?t had a malfunction yet. Yea, it isn?t the prettiest thing to look at, and is pretty clunky in general, but with the Holosun HE503CU-GR, it?s just a lot of fun, plus it should work well for shorter range deer hunting

No such thing as lowly gun.

Anyone that has ever owned a hi point carbine, knows that.  They're accurate and reliable.

And if you don't like the factory furniture, there are others that you could swap them out with.  The ATI stock looks very similar to the beretta storm carbine stock to me and is probably my favorite.

Or, there is a hightower armory bullpup, but I'm not real big on bullpups because the reloads seem painfully slow to me. 

But, there's no reason to feel belittled because you own a hi point carbine.

I'll be truthful with you again, the new furniture doesn't seem so bad to me.

But the originals back in the early 90's that was spray painted with colored stripes, and that looked like a boa constrictor that ate a baby fawn or pig,  I'm not a big fan of that old style.  But, the guns just work.

They absolutely do, Thanks John!

After shooting this gun more, despite that I'm using a 10oz buffer and 308 buffer spring, I still believe it's cycling a little too fast or hard. 

Yes, I'm loading the rounds spicy and I know that will affect it, but I'm still going to swap the buffer spring out for a different one.

I'm going to use a flat coil 308 buffer in hopes that the increased pressure may calm the ejection down a little more.  I've used them in the past with good results.

Currently, my brass is ejecting very consistently into a small circle that could be covered up with by an umbrella about the 3 o'clock position.  But, probably close to 14 feet away. 

So, this is my next step trying to slow the bolt down some.

If that doesn't work to suit me, I'm going to get an Ace lightweight minimalist stock which is essentially an A1 buffer tube with a plate on the end of it. 

Having a longer cyclic movement, combined with heavier springs and the ability to make the rifle buffer as heavy as needed, is another choice that I'm considering.  But, since I'd have to buy the buffer tube and "stock", I'd like to try this new buffer spring first.  It may do well.  But the only way to know is to try it and see.

I'll be perfectly honest though, I like how the rifle length stocks and buffers on some of my carbines are in the first place.  It would reduce the overall weight of the back of the gun (which is already heavy due to the heavy buffer).  I like how the extended length of pull fits me.  So, I'm already leaning towards the rifle length stock already.

But, if the flat coil spring fixes it, I doubt that I'll exchange stocks.  Hopefully the spring gets here late next week so I can try it next weekend.

Hey John, in regards to the High Point 10mm carbine replacement stock, I reached out to High Point, and was told they don?t make a stock for the 1095TS, however there may be one in the future. It just seems like someone  should make one. Nice job on your new build.

ATI made a stock for the 1095's.

Looked like the Beretta storm

I'm not saying it'll work with the 10mm because I don't have one and don't know, but I don't really foresee why it wouldn't unless it needed opened up for the magwell or something?

https://www.atioutdoors.com/product/hi-point-stock/

And if you like bullpups, this one specifically says 10mm:

https://www.hightowerarmory.com/High-Tower-Armory-MBS-95-10mm-Auto_p_46.html

Thanks for the compliment on the build.  I've tried to take pains to make sure it's as good as I can make it.  I may probably end up passing this one down one of these days so I want it to be the best I can do.  I even made steel plates on the external portion of the lower to better reinforce the area around the hammer and trigger pins since I had the sheet steel already.  I coincidentally also made extended length antiwalk pins from some 5/32" stainless steel rod that would reach the exterior surface and be flush too.   I threaded the ends with #4-40 button head screws.

It would have probably been OK the way it was, but I don't see why or how it would hurt to better reinforce that area since the hammer especially, takes a beating with the blowback action.   



I'd still kinda like a rifle length stock though, but as I said, if the flat coil spring tones the ejection down, I'll leave it the way it is.

I know that it's been a while since the topic was touched, and I half way hate to necro an old thread, but I was able to make a few more positive changes for the gun and thought I'd share because some of you may appreciate it.

To start, I'm old and remember the AWB ban years far too well unfortunately.  But one thing that came along during that time which I always liked was Ace skeleton stocks.

So, I used an A1/A2 buffer tube.  Covered the tube with the same foam as the old Ace Skeleton stocks used.  I was always fond of those during the ban years when hunting because the foam warmed up fast when you are in the rain and sleet and snow when you are snuggling in for a shot.  Also reduced the sproing sound some too, but I admit with the flat coil buffer springs was largely nonexistent anyway.  But still didn't hurt.

So, I certainly wanted to incorporate the foam pad in this mod.

I could've ordered one of the Ace/Doublestar clamp on buttstock plates, but since all the stupidity that is going on with pistol braces, I had an extra gearhead works Tailhook brace that I wasn't using, so I chose to use it for the butt plate.  I may get an Ace pad eventually but for now, the gearhead tailhook has actually grown on me and is working.

Though, I still had a dilemma.  Anyone that knows what they are doing with an AR15 knows that you can't use the carbine buffer weight with a rifle length stock because you'll break something.

However and here was my big problem, no one makes extra heavy pistol caliber RIFLE LENGTH buffers. 

After thinking about it a while, I never let little annoyances like that slow me down.

So, I measured a rifle length buffer, and used my existing 10oz Kaw Valley carbine buffer and chucked up a piece of scrap aluminum and made an extension to bring it to rifle length.



I also added a small sleeve to the exterior of the tube so the flat coil buffer spring would seat a little further rearward.  This increases the initial pressure the bolt needs to push back to unlock the bolt due to seating the spring in slight tension.  Which did help reduce the distance the empty cases were ejecting.  The extra weight from the aluminum that I machined also added about 2-1/2 ounces to the overall weight, which didn't hurt anything either.  This makes it about 12 1/2 ounces now.

The ejection with the hot/max/spicy loads I'm using eject about 10 feet away.  Instead of 15+ that I was getting before.  And it still works with weak factory loads.



Since my arms are a bit on the long side, I have to admit that I like the longer length of pull.  It didn't really add much to the overall length.  Or weight.  But it does make it more comfortable for me to shoot.  And the gun feels so much better when it's cycling too.  The longer length of travel just made it much more mild to shoot and do quick followup shots if need be.

This is probably the first AR rifle length pistol caliber carbine that anyone has ever seen.  I've never heard of one.  Until now either.  But I have to say, it's pretty dad-gone nice.

Nice job on the build John, looks like your hard work paid off

Was your build a blow back or a direct impingement system.
I'm not familiar with the brand of bolt carrier group you mentioned.

really nice job.