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  • Larry Gibson's Avatar
    Today, 08:42 PM
    Yes it is true the arsenals switched from the recommended extruded powder to ball powder. The residue left by the powder was a calcium/carbon deposit that was very hard. The gas piston of the M16 series is part of the bolt with the cylinder being...
    26 replies | 345 view(s)
  • Larry Gibson's Avatar
    Today, 08:16 PM
    "Are you trying to say the 14 twist didn't stabilize the bullet and it tumbled causing more damage? Might be where the story of smooth bore M16's got stated." Not stating that at all. I didn't mention anything about a "smooth bore M16" either. ...
    26 replies | 345 view(s)
  • Larry Gibson's Avatar
    Today, 07:22 PM
    Larry Gibson replied to a thread 45- 70 +p? in Factory Rifles
    My 400 and 500 gr loads for my 450-400-70 Siamese Mauser run 49 - 55 ft/lbs of recoil. When I fire the 500s from a sitting position they roll me over backwards.....lots of fun...... No application? Obviously you've not hunted elk in a pole...
    52 replies | 976 view(s)
  • Larry Gibson's Avatar
    Today, 05:02 PM
    "When that early Vietnam issue 5.56 ammo was used, and if it performed right, it blew a mighty big hole in the enemie's body that a 7.62x51 wouldn't do." Have to disagree. I was in Viet Nam in early '65 and then on to other target rich...
    26 replies | 345 view(s)
  • Larry Gibson's Avatar
    Today, 11:36 AM
    Larry Gibson replied to a thread What are they? in Cast Boolits
    Appears the cartridge photo's are with the wrong headstamp photo's? The MF FA 83 appears to be 7.62x51 made at the Footscray or Maribyrnong ammunition plant in Australia. The stripper clip on it is of M14 style. Note there is no + with the...
    7 replies | 231 view(s)
  • Larry Gibson's Avatar
    Yesterday, 10:42 AM
    He certainly is correct about minor alterations of the load having influences on the load. His example especially with the small capacity case of his 'cat. I found that out a long time ago in '74 when I got my 1st Oehler chronograph with the 22...
    122 replies | 2962 view(s)
  • Larry Gibson's Avatar
    10-14-2017, 07:38 PM
    Use an RCBS X-Die to FL size. You won't have to trim and cases will give many firings.
    13 replies | 974 view(s)
  • Larry Gibson's Avatar
    10-14-2017, 07:34 PM
    Using a lathe with a collate and using a drill in the headstock or a counter sink works well. I have used my mini lathe to do so. Getting the hole centered and parallel to the bullets axis is essential to accuracy.
    25 replies | 542 view(s)
  • Larry Gibson's Avatar
    10-14-2017, 07:30 PM
    Nope, nothing new......just a lot that most reloaders don't know, especially those who just get load data off the internet........
    122 replies | 2962 view(s)
  • Larry Gibson's Avatar
    10-14-2017, 07:19 PM
    44Mag#1 Sorry had to close that last post out before I was finished. Back to your question; assuming you have a Ruger 44 Mag with 7 1/2" barrel and a custom mould that casts a 250 gr SWC. That specific mould is not listed in any of the...
    122 replies | 2962 view(s)
  • Larry Gibson's Avatar
    10-14-2017, 02:20 PM
    And "pleased" you should be.....well done.
    7 replies | 292 view(s)
  • Larry Gibson's Avatar
    10-14-2017, 02:13 PM
    44MAG#1 Since no one has brought up handgun data let me be the goofy one. We will take Speer data and Lyman data. In 44 Magnum data Speer they list 9 to 11 gr Unique with Speer cases, CCI 300 primers and the RCBS 250 Keith at a 1029 to...
    122 replies | 2962 view(s)
  • Larry Gibson's Avatar
    10-14-2017, 10:38 AM
    Any commercial 223 with a 12" twist probably has a SAAMI spec 223 chamber.
    33 replies | 787 view(s)
  • Larry Gibson's Avatar
    10-13-2017, 10:13 PM
    44MAG#1 To answer your questions; Do we know if Speer or Hornady uses multiple factory rifles to test velocity in? If they grab one out of the rack to use to list velocity from how do we know that it isn't a "slow" barrel as you said we know...
    122 replies | 2962 view(s)
  • Larry Gibson's Avatar
    10-13-2017, 06:17 PM
    Guess what you mean by "brass life" is the determining factor. For some years my standard elk hunting in the 30-06 was the Hornady 190 SPBT over a lot of H4831SC at 2733 fps. I developed the load working up to it and never had any indication of...
    122 replies | 2962 view(s)
  • Larry Gibson's Avatar
    10-13-2017, 02:21 PM
    That is a very good scout type mount for the M39 Finn. Better than any other commercial scout mount replacing the rear sight to dat. Note how low the scopes ocular lens sits over the receiver ring....that's just how it should be. With a Burris or...
    6 replies | 323 view(s)
  • Larry Gibson's Avatar
    10-13-2017, 02:15 PM
    By "longer" those knowledgeable in the topic (there are a lot who aren't) are referring to the length of the freebore section of the throat; the length between the chamber mouth and where the leade begins. The 5.56 NATO Spec or "Wilde" chamber has...
    33 replies | 787 view(s)
  • Larry Gibson's Avatar
    10-13-2017, 02:06 PM
    Please.....let's not take what I said out of context. Your discussion, though quite correct in essence, constitutes a change of powder. My statements are relative only to the use of the same powder, same bullet, same case and same primer. As...
    122 replies | 2962 view(s)
  • Larry Gibson's Avatar
    10-13-2017, 01:51 PM
    "Basically as identical has possible yet one was consistently 150 per second slower." Never said there weren't "slower" barrels........there are. What I maintain, until someone shows me otherwise, is a "fast barrel". That means if your one...
    122 replies | 2962 view(s)
  • Larry Gibson's Avatar
    10-12-2017, 09:57 AM
    The reason is the manuals load to SAAMI MAP pressure specifications for the .223 Remington. The SAAMI MAP for the 223 is 55,000 psi. All factory 223 ammunition I have pressure tested is at or under that MAP. 5.56 NATO is not a SAAMI cartridge...
    33 replies | 787 view(s)
  • Larry Gibson's Avatar
    10-12-2017, 09:23 AM
    IMR4064 was introduced in 1935 before the advent of IMR4895. It had the general shape characteristics of 3031, I.E. long grains. While it was an excellent powder in the 30-06 with 150 - 180 gr bullets (at that time) it did not meter consistently...
    14 replies | 952 view(s)
  • Larry Gibson's Avatar
    10-12-2017, 09:14 AM
    H4895 is pretty much the same as IMR4895 but is just a tudge faster burning in most top end applications. With cast bullet loads there's not much difference at all. H4895 is smaller kernelled and meters through powder measures more accurately. ...
    14 replies | 952 view(s)
  • Larry Gibson's Avatar
    10-11-2017, 10:05 PM
    Winchester 748 is a bit slower than H335 and is excellent with heavier bullets (62 gr +). H335 has always been my "go to" powder in the 223/5.56 with 52 - 55 gr jacketed bullets. To duplicate M193 ammunition I use LC cases, a CCI 450 or WSR primer...
    19 replies | 526 view(s)
  • Larry Gibson's Avatar
    10-11-2017, 09:56 PM
    Question; did you test them yourself consecutively with identically loaded cartridges?
    122 replies | 2962 view(s)
  • Larry Gibson's Avatar
    10-11-2017, 09:54 PM
    The Data in Speer’s Reloading Manual #14 for the 30-06 using H4350 with 180 gr bullets lists a starting charge of 54.0 gr and a maximum charge of 58.0 gr. Note the data is for use with five different Speer bullets of 180 gr weight. The velocity...
    122 replies | 2962 view(s)
  • Larry Gibson's Avatar
    10-11-2017, 03:11 PM
    Larry Gibson replied to a thread 45- 70 +p? in Factory Rifles
    When I lived over in NE Oregon every 1st week or so of May I was duty bound to go into the high sage and eliminate the rogue chisel tooths. These were the ones the tourists from the big cities and their local yokel PHs would just wound with under...
    52 replies | 976 view(s)
  • Larry Gibson's Avatar
    10-11-2017, 12:12 PM
    Actually the Colt Single Action Revolver began production in 1871. It was in 1873 the military placed it's 1st order for 8,000 revolvers.....hence the M1873 designation.
    46 replies | 1310 view(s)
  • Larry Gibson's Avatar
    10-11-2017, 12:04 PM
    Not by much. Dr. Oehler ran a test demonstrating that.
    33 replies | 787 view(s)
  • Larry Gibson's Avatar
    10-11-2017, 12:03 PM
    Larry Gibson replied to a thread 45- 70 +p? in Factory Rifles
    Wow, a deer killed with a wimpy 45-70 load.......I've killed deer with a .22LR......someone's obviously doing a lot of "compensating" using the 45-70..........:kidding:
    52 replies | 976 view(s)
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About ckcadavona

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About ckcadavona
Biography:
HI, CA, USAF
Location:
Temecula, CA
Interests:
Boolits, Milsurp's, IDPA, learning
Occupation:
USAF

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check