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BrianK

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Everything posted by BrianK

  1. I think there has been an ongoing contest to outdo each other to gather as many points as possible toward winning the most useless senator. But yeah, feinstein is right up there.
  2. Correction (edit): the twist on my barrel is 1:7 I previously stated that it was 1:8
  3. The sabots really require flat bottom bullets from what I recall of the way they're molded. High BC bullets would have a boattail and would have huge runout. Maybe it could be done, but I wouldn't know how to do it in a reasonable manner. In the past I found velocity to be almost magical so my thrust is toward that. But I need to find out if they will do the basics of feeding and function reliably. If that doesn't happen it's a failure. One small step at a time. This isn't going to happen rapidly. It'll be at least 1 1/2 months before I even start to think of getting my range melted and usable. . One thing at a time. I don't want to get ahead of myself. First they need the basics, to feed and function reliably. If they don't do that it's not going anywhere.
  4. It's not a new to me idea. The military has been using it in tanks for quite some time. I think they call them discarding sabots. The Thunderbolt ground support aircraft may also use them. I used it, as do many others, with shooting black powder. The twist rate of the 300BLK was lost on me with all the other factors I was considering, but yes, it might mean a cleaner separation. I'm pretty sure my barrel has a 1:8 twist. In the end it'll either work or it won't. If I had a ballistics lab I'd be able to spend the $ and figure out what works best, but what I have is what I have and it'll either work or it won't. There's very little I can do to help it to work. I nearly forgot. That's the story I get from everyone re: the Rem' accelerators. So I guess my 3" groups weren't all that bad. It just wasn't what I was looking for. After that experiment I bought a .17 Remington and throttled the velocity down to 4060fps from 4200+. The bullets were coming apart in the air.
  5. It's not a new to me idea. The military has been using it in tanks for quite some time. I think they call them discarding sabots. The Thunderbolt ground support aircraft may also use them. I used it, as do many others, with shooting black powder. The twist rate of the 300BLK was lost on me with all the other factors I was considering, but yes, it might mean a cleaner separation. I'm pretty sure my barrel has a 1:8 twist. In the end it'll either work or it won't. If I had a ballistics lab I'd be able to spend the $ and figure out what works best, but what I have is what I have and it'll either work or it won't. There's very little I can do to help it to work.
  6. I'll do as I stated and post my results + or -, my interest is in helping the forum.
  7. Absolutely legal as far as I know. Tomorrow? Who can tell, fjb and the BARF. The Sabots were still being advertised for sale in the last Firearms News.
  8. I'm not a reloader, I'm a handloader. There's a huge difference. I wasn't fishing for attaboys, but just making "conversation". I expect nothing major as a result due to the limited powder space (I HATE repeating myself!) but stay tuned. I'll post even if it fails. It won't surprise me if it does fail.
  9. I already stated it was out of a 10" barrel. When does it separate? I also already indicated that I didn't know and that was part of the experiment. It could be in the can which wouldn't be desirable as it would screw accuracy up but not be a disaster for the can due to the way it's made. Best if it separates outside the can. How will I know? Work up a load or loads and test. First w/o the can then with.
  10. (You posted again)You'd be wrong in that understanding. It remains a .30, no change to the case. I'm not going to explain a sabot. Look it up (I see that you did). They're in common use esp' in tanks for the same reason I want to play with them. What I have are nylon sabots that hold a .223 bullet, what you pictured is at least similar if not exact. I just never played with them in a semi auto, or the 300BLK. Not a put down, but if you don't know reloading that might be the issue you're having. I can't promise results worth repeating, but I intend to pursue this. First they need to feed. Then the action needs to function. After that I need to get something worthy that the 300BLK can't do all by itself. But I think it's worth the experimenting.
  11. That's a classic! Too funny! Who watches that crap? Stupid question on my part... Duhhhhh! The folks at Davos.
  12. Good to know. I'll start looking for a replacement.
  13. No not really. The difference is the size of the piston that the pressure pushes on and the lightweight bullet as payload. It's totally different than 5.56. Load data gets thrown out the window*. I might need to use scary fast powder and as I get older I get less adventurous. FWIW, I never blew up anything because I always made small moves and I will this time too. Maybe .220Swift or .22/250 would be more like what I was getting from the .308 handgun, but That would require another rifle. I'm also not going to look and see what the load data is for those cartridges. Maybe they use similar powder charges, but I doubt it. They don't need it because they don't use an oversize piston. It's probably not going to give me what I want though due to the low volume of the 300BLK case. It's certainly not going to be as dramatic as what I got with .308 Win. I would expect it to give me higher velocity than I would get from the same short barrel if it was chambered for 5.56. But there's only one way to find out. As for as the can... Not all cans are built the same. Should the sabot get caught in my can it's just a matter of unscrewing the can from the barrel (or just use long rod through the upper) and push it out. Think of the innards as a sort of smoothbore barrel extension. It's less about quiet and more about being short and containing the blast which it does very well (Amtac CQB). *I'm not going to check my actual load data, so no one should think that what follows is something to be copied. With .308 I remember a full charge (40+ grains) of 1680. The load data that came with the sabots used powder that would have been used with, for example, a 150 grain .30 bullet. I tried their load but knew before busting a primer that it was all wrong; safe, but wrong. If I hadn't run out of room for powder in the case I could have gotten even higher velocity. Or I could have gone to an even faster powder, but my next fastest powder was IMO too big a jump so I stopped where I was. Maybe today I could make that jump, but that experiment was shelved. I didn't expect better accuracy if I got higher velocity. But I want to see what a 10" barrel in 300BLK will give me. That's the reason for doing it. Not to duplicate what a 5.56 will do. Right now my fast load is a Maker 85 @2300 fps. I know I can do better than that with a bigger piston, lighter bullet, and MUCH faster powder. If it feeds, and that's a big if, will it even cycle the action? Will there be enough gas at the pistol length gas port for function? I suspect yes, but I don't know that due to the greatly reduced powder volume.
  14. There was a time that I played around with .308s and sabots and .22 bullets and got 3500 or was it 3600(?) fps out of a 15" handgun. Mediocre accuracy at 100 yards had me call a halt to the experiment when the mfgr told me that was about the best I could expect. Fast forward 20+ years to today. I'm getting the bug to try the sabots in the 300BLK with a homogenous copper solid .22. Will it feed reliably? What will I get for velocity and accuracy? The sabots won't get stuck in my can due to the nature of the way it's built but that should be interesting also. It'd be nice if the sabot would get shed outside the can and not inside. FWIW, my original .308 testing found me not using the load data that came with the sabots. It was just ridiculous data. The powder was too slow and what came out of the barrel looked like a candle flame. I wound up moving up the burn rate chart to powder more in line with a .22 centerfire, and lots of it. Blast was a sharp smack to the chest sorta like the hit from the blast from a .50BMG, just not as much. I would expect reliable function (enough gas) in the 300BLK AR as long as the sabotted bullet feeds reliably. I feel the need to try this.
  15. Whoops! Disregard what I wrote above. I have the Sylvan Arms folder and not the Law Tac'. Mind fart on full display.
  16. It has a foam sleeve on it for cheeking, and also a single point sling to push it out against pressure. I think I'm good but who knows? I'm not doing any more to satisfy a vague law that's going to get thrown out. First they're good, then they're not. That's definitely entrapment. Let's see, 10M - 40M in the hands of users, I'd call that in common use. Vague "law" by unelected people who have already been told they can't make law. I think I'm good. Thanks for kicking it around gents!
  17. Or maybe I didn't make it BARF safe? I was just on another forum and if it has a buffer tube that can be shouldered it's still a SBR? How does one make a AR handgun w/o a buffer tube? Yes, I know about ARs that are built differently but the vast majority use buffer tubes.
  18. OK, so I made my last arm braced handgun legal in ATFs eyes. The big difference from a use standpoint? Before it stood up nicely in its ready position. Now it needs to be propped up so that it doesn't fall over. I'll make a stand for it. It's actually smaller and no less useable as an unbraced handgun so where is the logic? fjb; eff the BARF. The word I have from the local manufacturer and I don't remember how they came by it, is that a majority of agents wants to see SBRs taken out of the registry. That's a step in the right direction. Removing cans from the registry should also be done. We'll have to fight like hell for that. To get more is probably too much to ask for.
  19. Welcome to the forum from central Maine!
  20. Yup, that hurling will do! That's disgusting! Speaking of which... I was a paratrooper and a friend had this planned but I hadn't a clue. There was always lots of air traffic during a jump and the cargo planes we flew in, C130s mostly, had to execute some pretty drastic maneuvers at times. A flight that should have been 20 minutes had been known to last over an hour. Anyway, my buddy took a sick bag from a previous jump and stowed it away in his gear. He put a can of vegetable soup in it and had it on his person for the jump in question. Then he hauled it out and made like he was puking into it. After a good show he upended it and started eating it. I missed it because as per my usual I was sleeping on the plane. I heard about it after we got on the ground though. I guess it had the desired impact for those troopers watching. Heck, they talked about it later, and got some laughs so yes, it had the desired impact.
  21. I just rebuilt the 10/22 Charger a few posts above. I had a Volquartsen carbon fiber barrel on order for over 7 months and got a fire under me to get the gun rebuilt. So I cancelled that barrel and ordered a TacSol alum/w steel liner barrel. That saved me an inch of barrel (9 vs 10") and over 7 ozs of weight at the muzzle. I had the TacSol barrel in a few days. Very soon after I ordered some titanium parts from Power Custom to lower the lock time and to give me a larger charge handle. That has all been installed and I have yet to function test it or even sight it in. But it feels good. The difference over stock is huge with the lighter barrel. 7 ozs might not sound like much, but in a SBR it's huge. It would have felt much the same with the Vol' barrel since it weighed (on paper) 1/2 oz heavier than the OEM barrel. I'm soooo glad I made the change to TacSol. Now waiting on warmer weather to sight it in and test it.
  22. 😆 Yeah, I thought that was just too funny not to share. And those people are in charge? No wonder they think killing 90-95% of the worlds population is a good thing. They're all nuts. Where do they find such garbage? FWIW, I looked for a puking emoticon but all I could find was a green nauseous face and that didn't quite work.
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