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Recent content by biffj

  1. biffj

    Where’s the 12.7 Blackout?

    Sorry Dogtown, I don't remember the company that made my trimmer. I got it from Sinclair and its gold anodized....I'll have a look tomorrow. I did make up a pilot for it so I can trim without resizing. It fits the case mouth after I run the expander into it. Works great with a battery powered...
  2. biffj

    Where’s the 12.7 Blackout?

    30 lb of bullets ain't much for a 50. I've got a few cans of 500 API and they weigh about 50lb ea. I did try running some of the spotter tracer bullets but the barrel has to be throated for them to work safely. If you don't seat them out far enough they compress the powder way too much and...
  3. biffj

    Where’s the 12.7 Blackout?

    Brass is a pain to make up for the 510 Whisper but once made it lasts a long long time. In fact, I've never worn out or cracked a case. I use a harbor freight micro chop saw to do a rough trim on length then run them through the expander die to remove the taper like Dogtown noted above. After...
  4. biffj

    Sort out my 300blk

    And therein lies the problem with many of these ideas. A Piper Cub is an excellent airplane for landing on football field sized places but it is crap for long distance travel. An F15 will get there in a hurry but needs a lot of runway. The reality is that there is no one size fits all with...
  5. biffj

    Sort out my 300blk

    Use care with the H110 load. That powder doesn't like unfilled space. While it doesn't give trouble all the time I've seen some unexplained issues often enough that I dumped that powder many years ago. If you can fill the case nearly full it is an excellent powder. A friend uses it in his 500...
  6. biffj

    8.6 Blackout accuracy and barrel twist

    Right back to the 338 BR which is pretty ideal in case capacity and overall length. The whole 3 in twist thing was crap from the beginning. Frank
  7. biffj

    Converting suppressor registered individual to trust

    I'm not sure if you can list a trust as a recipient for NFA in a will and still get a tax free transfer. A corp would be the same as a trust for that purpose as well. I don't recall where I'd seen it but its worth looking into prior to just trying it. As far as I know you can leave NFA to a...
  8. biffj

    Converting suppressor registered individual to trust

    One key thing here that will help, maybe, to understand how things move in the NFA world. The first and foremost thing is that nothing we will ever deal with is on any form. Form 1's can only be used one time for a particular NFA registration. Once registered any transfers will be done using a...
  9. biffj

    Converting suppressor registered individual to trust

    You have to do actual paper forms to transfer between individuals or trusts. You have to pay the transfer tax every single time on every item unless its transferred via form 5 as unserviceable, coming from a government agency or an estate to named heir. As noted by someone earlier transfers...
  10. biffj

    8.6 Blackout accuracy and barrel twist

    With that bullet weight unless you're talking round nose I think I'd lean toward 1-8. That is going to be a pretty long bullet and that means faster twist for stability. You may get away with 1-9 but its going to be iffy.... Frank
  11. biffj

    Sort out my 300blk

    If you're expecting a 1 moa or better result with the subs you're smokin crack. There are so many things that will affect your accuracy that perfection is required on all of them. Neck tension, powder charge, position and place in the firing order and so on. All of those will affect the...
  12. biffj

    Sort out my 300blk

    You may find the 1680 works a lot better than the lil-gun but if not your gas port may need to be opened up. Subs are hard to get working without having issues with the supers. An adjustable gas block with a larger port gives you a lot more leeway with loadings. Also adding a suppressor will...
  13. biffj

    Varget kernels

    Just shoot and and see. If its bad then bitch out Hodgdon, if it works you're good. Not much good to worry until you've actually tried using it. Frank
  14. biffj

    Maggie’s Motivational Pic Thread v2.0 - - New Rules - See Post #1

    New Mexico has fallen into the fiery pit of hell. The socialists took over and immediately created all sorts of bans on various firearms, carry of firearms and they're working on more. I love the country but really hate the people out there anymore. When I was growing up the state had no...
  15. biffj

    Bolt gun velocities vs gas gun velocities?

    Beg or borrow a chronograph to get real actual numbers. Going by the number on the box or the website is meaningless and guessing at the difference due to barrel length is too. Someone you know has to have a chrono....real numbers get you real data, guessing gets you ? Frank