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  • Multigunner's Avatar
    Today, 02:04 AM
    A swept forwards bolt handle with flattened knob would go goo with this sporter. They used this sort of bolt mandle with the LE and Metford carbines to avoid cracking the knuckle of the trigger finger when the lighter carbines recoiled. Some...
    5 replies | 95 view(s)
  • Multigunner's Avatar
    Yesterday, 11:48 PM
    Some of the guys on another board have been flattening spent CO2 cylinders and inserting a wire eye in the hole in the neck, then hanging them on a wire. Apparently they ring pretty good when hit. A solid hit can send them spinning.
    6 replies | 81 view(s)
  • Multigunner's Avatar
    Yesterday, 11:45 PM
    Multigunner replied to a thread Crosman 150 pistol in AirGuns
    The ball is way smaller than anything you'd find at a bicycle shop. A temporary fix used by some is to cut off about half of a ball headed pin. Insert that in the spring and it does the job. A source for very small diameter coil springs is the...
    5 replies | 43 view(s)
  • Multigunner's Avatar
    03-23-2017, 07:26 PM
    Are Fultons made from Israeli parts? Some years back I passed up a deal on what appeared to be basically unused police dept M1 carbines. They looked nearly new and had large rack numbers on the butt. IIRC they were going for $350 each. Can't...
    7 replies | 425 view(s)
  • Multigunner's Avatar
    03-22-2017, 09:54 PM
    https://archive.org/details/CO2_Pistols_Rifles Plenty of photos and firing tests of recent and vintage CO2 guns
    1 replies | 65 view(s)
  • Multigunner's Avatar
    03-22-2017, 08:51 PM
    I've mentioned before that the DWM ammunition produced from 1912 onward was intended for rifles like the Chilean 1912 Steyr a large ring Mauser action. I've also mentioned that during the Gran Chaco War older Small Ring Mauser rifles often failed...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-22-2017, 03:45 AM
    Dad's Blue Jackets Manual described an unusual shell for the 16 inch guns. It was from other sources I found a 4,500 pound hull buster, intended for shelling convoys of merchant ships. The concussion of the blast wherever it hit in the water was...
    205 replies | 11931 view(s)
  • Multigunner's Avatar
    03-22-2017, 03:32 AM
    Heres a suggestion that may not work. Get a follower and spring made for a 9mm magazine of the same general type as the mag you have and install those parts along with a spacer block in the magazine or a spare magazine that fits the frame. ...
    17 replies | 521 view(s)
  • Multigunner's Avatar
    03-20-2017, 04:28 PM
    Some people can't recognize when someone else is trying to only compare the known records of Copper Units of Pressure of particular cartridges, and that Piezo electric measured PSI is not even secondary to those comparisons . Interjecting in...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-19-2017, 11:27 PM
    What cartridge was the 1893 Spanish Mauser chambered for before the 7X57 Mauser cartridge was developed? What was the chamber pressure envelope of the Mauser Cartridges developed and marketed for use in the 1893 Mauser? The Mauser 93-95 actions...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-19-2017, 07:52 AM
    "You have to know the action strength" I think the numbers of 1893 actioned Mausers in 7.62 found with lug setback gives a good indication of the ultimate strength of the action compared to other action types also barreled or rebarreled to 7.62. ...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-19-2017, 12:19 AM
    "If you are going to introduce some one to guns or want to cut your shooting cost down . " Add low noise level, far more safe places to shoot without traveling far if at all, no worries about shoots fired at an upwards angle when hunting squirrel...
    4 replies | 218 view(s)
  • Multigunner's Avatar
    03-18-2017, 10:42 PM
    Metal fatigue is cumulative. If subjected to hundreds of rounds of ammunition that exceeds design specification the gun doesn't have to show obvious signs in order to have received irreparable damage that may result in a catastrophic failure at some...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-18-2017, 12:41 AM
    Multigunner replied to a thread Benjamin Wildfire in AirGuns
    Since the ability to slide the barrel forwards when the latch is disengaged is necessary for clearing jammed pellets from the mechanism it would be best to mount any muzzle attachment onto the barrel jacket rather than the barrel liner. To do...
    19 replies | 510 view(s)
  • Multigunner's Avatar
    03-18-2017, 12:24 AM
    I've heard of a condition called a "hairy bore" where thermal alligator cracking of the surface turns up at the edges like dried mud flats. Fibers from patches catch on the rough edges leaving a fuzzy hairy look when you look down the bore. Its...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-17-2017, 07:41 AM
    "The fact that the German 7x57 ammunition tested in 1898 averaged 48,400 CUP and the Wikipedia MAP for the 7x57 says its 50,000 CUP is as it should be. " Did you bother to read their reasoning for making that claim? They based it not on the average...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-16-2017, 10:07 PM
    "The Ordnance Departments CUP measurement in 1898 of the German 7x57: 48,600. " Which is still a long way from the 50,000+ CUP claimed in the Wiki entry and higher than the working pressure found in the Mauser Oberndorf catalog. Look at the...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-16-2017, 07:40 PM
    "A quick look at wikipedia, some claim the info they put up is junk, maybe on the controversial or political stuff. But why would they screw with '7x57 mauser'?" If you look at the comment they made about the average working pressure being over...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-16-2017, 07:27 PM
    "BTW; here is the U.S. Army's specification sheet for the M80 cartridge right out of TM 43-0001-27" Notice the cartridge drawing on that page is of a .30-06 cartridge. I mentioned earlier that those manuals are full of such errors, which is why...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-16-2017, 05:15 PM
    "Now note the next line shown with EPVAT (the NATO Standard) next to it. When loaded to 2765 fps at the same 78 feet at normal test temperatures the pressure should not exceed 50,940 CUP with an SD max of 56,016 CUP. So which is it 48,000 CUP or...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-16-2017, 04:07 PM
    Just remembered I have a reprint of the Mauser catalog for the 1893 rifle and its ammunition. The "Gas Pressure" is stated to be 3100-3300 Kg, by which I believe they mean Kilograms per Square Centimeter. 3100 Kg would then convert to 44,092...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-16-2017, 03:38 PM
    Try this PDF Its easier to read and a more recent edition. http://everyspec.com/MIL-SPECS/MIL-SPECS-MIL-P/download.php?spec=MIL-P-3984J_AMENDMENT-2.044248.pdf I think theres also an Amendment 3 version.
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-16-2017, 03:24 PM
    Double post, can't edit or delete
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-16-2017, 03:23 PM
    " Multigunner apparently still has issues understanding the difference between pressure measurement via CUP and that of strain gauge/Transducer and the associated differences between the end measurements of each. " I was quoting both CUP and...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-16-2017, 03:13 PM
    " Multigunner apparently still has issues understanding the difference between pressure measurement via CUP and that of strain gauge/Transducer and the associated differences between the end measurements of each. " I was quoting both CUP and...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-16-2017, 10:35 AM
    "BTW; where you ever got the idea M118 was "intended for MG and sniper use" M118 Match Cartridge was developed for competition, the M118 Special Ball and M118 Long Range which are the only M118 cartridges referenced in the data sheets I've...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-16-2017, 07:38 AM
    Multigunner replied to a thread Benjamin Wildfire in AirGuns
    The 10/77 takes a slender barrel liner housed in a tubular steel outer barrel with a plastic muzzle plug that has an integral front sight. unless that feature has been changed any moderator would have to clamp onto the barrel jacket instead of the...
    19 replies | 510 view(s)
  • Multigunner's Avatar
    03-15-2017, 08:06 PM
    Multigunner replied to a thread Benjamin Prowle in AirGuns
    I prevent a scope from sliding in the rings I insert a strip of fine wire mesh in the ring before tightening it up. I had a sheet of extremely fine stainless steel wire mesh that I used for the purpose but gave it to a friend who was building...
    26 replies | 705 view(s)
  • Multigunner's Avatar
    03-15-2017, 06:58 PM
    This may be the proper PDF file ...
    85 replies | 1966 view(s)
  • Multigunner's Avatar
    03-15-2017, 06:48 PM
    "Not sure where you got the “48,000 CUP” for 7.62 NATO" I told you, from the propellant procurement data sheets, and I said it was the max average working pressure for M80 Ball not each and every mark or bullet weight of 7.62 NATO ammunition. ...
    85 replies | 1966 view(s)
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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