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  • john.k's Avatar
    Today, 08:16 AM
    There is also feature where straight sided cases need a small relief in the chamber so as to transition from angled upward movement to horizontal into the chamber .....without this small relief in the chamber wall ,the round would hang up as the...
    20 replies | 387 view(s)
  • john.k's Avatar
    Today, 08:08 AM
    Can anyone who has read this tell me if barrels are now able to be exported without the high fee for paperwork etc.
    3 replies | 220 view(s)
  • john.k's Avatar
    Today, 08:02 AM
    john.k replied to a thread type 38 in Military Rifles
    Yes ,as a general rule ,never fully resize cases ,you just shorten case life.....adjust dies a couple of threads loose....In fact ,a peculiar problem of using light loads is that cases are blown forward ,and shoulders shortened by the primer...
    19 replies | 1594 view(s)
  • john.k's Avatar
    Today, 07:55 AM
    Had another look.....its the borderline between blue and brown.....old guns eventually go brown,especially if used a lot ,like an old double......The blueing done on British military guns is very durable,and looks like it has thickness like...
    11 replies | 329 view(s)
  • john.k's Avatar
    Yesterday, 08:50 PM
    Yes,collectors have become obsessive....one touch of steel wool or fake blue devalues the gun by 50%.....in other words .dont do anything,but oiling ......And as for sanding........Another word...some kinds of blueing show red in a certain kind of...
    11 replies | 329 view(s)
  • john.k's Avatar
    Yesterday, 08:45 PM
    john.k replied to a thread type 38 in Military Rifles
    Yes ,its very simple ....once fired brass automatically headspaces itself.........first load in new cases ,set the bullets out far enough to contact rifling...and so force the base of the case against the bolt face............Headspace is only a...
    19 replies | 1594 view(s)
  • john.k's Avatar
    02-15-2020, 06:48 PM
    I used to buy Ford cars new.....you could guarantee the battery would last two years and one week,and it would be stone dead.....Yep Ford had it down pat.....2 yr warranty ,battery dies in another week......Best battery i ever had was a Jap made...
    60 replies | 2595 view(s)
  • john.k's Avatar
    02-15-2020, 04:38 PM
    john.k replied to a thread Fuzzy Ballistics in Single Shot Guns
    Its well known with range shooting ....a few FPS more vel in a 308 load,and accuracy improves greatly in 1000m shooting.The reason is that the trans sonic zone of velocities from approx 1400 fps ,down to around 1100 fps involves problems with drag...
    11 replies | 281 view(s)
  • john.k's Avatar
    02-14-2020, 06:42 PM
    I modded mine for rifle primers ,for reliable ,instant ignition,and also because rifle primers are about 1/5 of the price of musket caps......never bought or tried the #10 or #11 caps ,but I think the big hammer would bust a smaller nipple...
    9 replies | 401 view(s)
  • john.k's Avatar
    02-13-2020, 10:35 PM
    The whole bore looks pretty rough to me ....lots of radial cuts from drlling ,most likely,and no finish reaming.....the burr may be a hard spot in the steel....I assume its a previously owned gun,still a pretty poor show.
    10 replies | 437 view(s)
  • john.k's Avatar
    02-10-2020, 04:37 PM
    As mentioned by Ateam,stainless pickling gel will remove any rust stain ,but be careful with it .We used it to remove accidental angle grinder stains from stainless work.Think its mainly nitric acid,with a bit of hydroflouric.
    12 replies | 1013 view(s)
  • john.k's Avatar
    02-09-2020, 05:11 PM
    john.k replied to a thread 1887 martini henry in Single Shot Guns
    The Lee 475 /400gn mould works good in Mk IV ,I would like it better if it were a bit more aerodynamic....Never the less ,I can get just about 100% hits on a silhouette at 300 metres with the sights set on 500 yds.
    24 replies | 1836 view(s)
  • john.k's Avatar
    02-02-2020, 08:35 PM
    Make sure you get the latest Lyman cast bullet handbook.....the previous one ,on sale some places at a $5 discount is seriously out of date,like 40 years .....so be sure to get the latest.
    28 replies | 996 view(s)
  • john.k's Avatar
    02-01-2020, 05:43 PM
    Might be referring to the possibility of SEE from loading 4895(and others ) to case volume fill of less than 60%.....as far as I can ascertain,this rule only applies to bottlenecked cases......Strange thing about Trail boss is some of the ADI...
    28 replies | 996 view(s)
  • john.k's Avatar
    01-30-2020, 11:17 PM
    john.k replied to a thread soliciter call in Our Town
    I cancelled my landline for nuisance calls......Id hear it ringing from the yard,by the time I got up to the phone ,it would stop.....the call centres only ring 5 times,then stop.....Anyway , I dont carry round the mobile ,just leave it in the...
    16 replies | 827 view(s)
  • john.k's Avatar
    01-30-2020, 11:11 PM
    john.k replied to a thread walnut tree value in Our Town
    BAW...Camphor Laurel splits as it dries......woodturners use it by turning green and wet and microwaving the finished object ......apparently sets the sap ,and slows shrinkage.
    61 replies | 3176 view(s)
  • john.k's Avatar
    01-29-2020, 03:10 AM
    cock on opening was considered essential in a straight bolt handle military gun to keep the bolt closed without safety catch......The German military wanted it,Mauser prefered the other way,the army got what they wanted.
    23 replies | 898 view(s)
  • john.k's Avatar
    01-26-2020, 04:26 PM
    john.k replied to a thread USPS flat rate increase in Our Town
    And why do you think China shipping to US is so cheap?.....Simple ,because the Chinese load up a container at a designated port and ship bulk to US ,where the broke USPS has to deliver the package for nothing ,a thousand miles from the port of...
    12 replies | 703 view(s)
  • john.k's Avatar
    01-26-2020, 04:14 PM
    Admirable,but my opinion hasnt changed....Out of interest ,Id like to see how they applied the rear pivot of the block.....this is a complicated bit of machining in a Francotte,I ve always thought it could be simplified without affecting the utility...
    11 replies | 885 view(s)
  • john.k's Avatar
    01-25-2020, 07:32 PM
    Its well known that the Swede recievers are very easy to deform (squash),so be careful,and always use a tight fitting arbor in the ring before applying force.Dont use the bolt ,as it has to be turned before you can remove it.....(threads are RH...
    16 replies | 456 view(s)
  • john.k's Avatar
    01-23-2020, 11:40 PM
    1/8 x40 was a very common thread in electrical appliances in the days when they actually had sheet metal frames and chassis...1/8 Whit.Also used in at least one military gun Im aware of...British car and bike electrics used the BA threads,which are...
    28 replies | 968 view(s)
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About john.k

Basic Information

About john.k
Biography:
retired mechanic/engineer.
Location:
brisbane ,qld,australia
Interests:
shooting,machinery,bikes
Occupation:
retired

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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