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  1. biffj

    The new 33XC & 37XC cartridges designed by David Tubb

    8.5 twist is probably a little fast for the jacketed stuff if you're going to run them fast. Otherwise you should be fine. I never ran anything but solids through mine and had no issues but a customer saw a lot of grey puffs when he ran jacketed through his rifle. Not every bullet blew but a...
  2. biffj

    Official (DTA) SRS, HTI, Covert, Hunter Thread

    I bought mine in late 2009 and have used it for about 6 of my own conversions and all the barrels I make for others have been test fired in my chassis to check chambers. I swapped out the skins in about 2012 when I bought the monopod I should have had put on when I ordered the rifle. I put the...
  3. biffj

    Ssg 82 5.45x39

    Numrich had new spare mags at one time and there was someone else who sold them too. I bought a couple for my rifle. I managed to work up a load using the new Hornady brass and their 60gr bullets. I used XBR8208 powder and at the moment I have no idea what the velocity is. Its winter again and...
  4. biffj

    Official (DTA) SRS, HTI, Covert, Hunter Thread

    Hey Dogtown, Yes the new bolts will work fine in the old gen 1. I've had a couple of the new bolts in my old timer and they work great. I liked the two piece bolts because they were easier to strip and clean but the new ones are back to one piece....so I've got an old old bolt, a newer two...
  5. biffj

    6.5 Creedmoor Sierra HPBT issue?

    You might also try the 142gr matchkings. They're a different ogive shape than the 140gr SMK and a little longer bullet. I've seen them to be a little less sensitive to seating depth in the 6.5X47 and heard the creedmore is the same. Frank
  6. biffj

    Official (DTA) SRS, HTI, Covert, Hunter Thread

    Is it DTA 0012XX or SRS 0012XX ? just wondering here as getting info from DT is not always easy...... it is possible to cut the pocket and thread it for the monopod and it makes a huge difference in bench shooting. Probably not a lot of help with barricade and PRS type stuff. I decided it was...
  7. biffj

    6.5 Creedmoor Sierra HPBT issue?

    Keep us posted with results too. Always good to see if any of the trouble we hand out helps someone and just knowing if your rifle is working is always nice too. Frank
  8. biffj

    Official (DTA) SRS, HTI, Covert, Hunter Thread

    They started at DTA 01000 and then at some point they changed the prefix to SRS XXXXX. I do not know if they started at a new number or if they just changed the prefix. I know where DTA 01263 is and it was purchased in Feb or Mar of 2010. Mine is in the mid DTA 013XX range and was purchased...
  9. biffj

    6.5 Creedmoor Sierra HPBT issue?

    I do the slit case trick myself though I don't normally cut past the shoulder. Once you've cut the slit in the neck resize the case and seat a bullet long. When you put it into the rifle and close/lock the bolt it will push the bullet back into the case. You can measure the length of the...
  10. biffj

    6.5 Creedmoor Sierra HPBT issue?

    You really need to check your rifle for seating depth. Two rifles of the same cal will frequently have variation in the depth of the throat and published data is really only good for the test barrel they used. Measuring your own barrel will give you actual useful data. The other thing is that...
  11. biffj

    Any reason to stick with a boltgun for .308/6.5CM?

    One thing I haven't seen anyone note is brass damage. Even the semi's that are good to brass tend to cause scratches and dings of some sort. If you're using top end brass its tough to see it dinged up at more than a buck a piece. The bolt guns rarely damage the brass and thats a plus. Never been...
  12. biffj

    Official (DTA) SRS, HTI, Covert, Hunter Thread

    You don't need a brake or bipod for that thing. You can use a bag and a piece of cardboard to keep the flash from burning your eyebrows. Its just a 338 and no brake needed. Looks good. Frank
  13. biffj

    Official (DTA) SRS, HTI, Covert, Hunter Thread

    You can run 50 cal via the 12.7X48 also referred as the 510 whisper. I've loaded subsonics with 800gr Lehigh solids and high velocity 300gr Barnes soft flat points at 2300 fps. Its hell on deer super or subsonic. I've done a lot of DT barrels in this cal and it works well. Mags are a problem...
  14. biffj

    Tried Resizing 6.5 Creedmoor and Failed, Need Suggestions

    My Forster dies just came in from Grafs yesterday and they work fine. I like the seater better than most of the others and the sizer is much better than the hornady setup...hope what you ordered works and makes you happy. All must choose for themselves..... Frank
  15. biffj

    Suppressors anyone shooting suppressed sub sonic 6.5 cm?

    Running the 140-150 grain bullets wouldn't work due to the tumbling bullet effect you get from having a twist rate way too slow for the length of bullet you're shooting. Powder capacity and selection is more a problem for accuracy or ignition. I'm sure you could find a powder to run those heavy...
  16. biffj

    Official (DTA) SRS, HTI, Covert, Hunter Thread

    My New A1 full size weighs 18 lb with the 32" 33XC barrel, 5-25 X56 ATACR Nightforce and the picitinney bipod mounting rail, without the can or the bipod. Pretty happy with that. Its a handy carry gun going from the car to the rangehouse, an extended journey averaging anywhere from 20 to as...
  17. biffj

    Suppressors anyone shooting suppressed sub sonic 6.5 cm?

    Unless you're planning on running subsonic 70gr bullets in your rifle you could have issues. The twist rate in most of the 6.5's is about 1-8 which is way too slow for the heavier and more useful bullets. If you run the really light bullets that won't tumble and trash your suppressor you get...
  18. biffj

    Tried Resizing 6.5 Creedmoor and Failed, Need Suggestions

    Dillon presses don't use shell holders. They use a shell plate. The plate rotates around to each station. The press and setup should be adjustable to fit just about any dies but I've found with my RL1000 that I have to put the lock ring on the bottom with a number of different dies. The top...
  19. biffj

    Official (DTA) SRS, HTI, Covert, Hunter Thread

    I did my metric time back in the 80s working for a danish company, never again. Inches to the end!!! works ok with distance and possibly even weights but for a machinist who grew up with inches its not a good swap. A thousandth of an inch is imaginable but a fraction of a mm is just a word...
  20. biffj

    Official (DTA) SRS, HTI, Covert, Hunter Thread

    Mine are now 8-32 for the steel rail underneath with the bipod mounted. I've repaired quite a number of the BS plastic rails which have broken off and taken the too small metric threads out of the handguard. The plastic rail on my brand new A1 chassis was factory broken so it didn't even make it...
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