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    A Little Expaining Here, Please

    I was going to load some .303 Britishicon.

    According to the Lyman 49th Edition on Page 249:
    150 Gr SP
    Primer: Fed 210
    H4895 Start Load 38 GR @ 2254 FPS
    Maximum 42 GR @2650 FPS

    Hornady 9th Edition Page 516 :
    150 GR SP
    Primer: Win WLR
    H4895 Start load 29.9 GR @2200 FPS
    Maximum 38.9 GR @ 2600 FPS

    Please tell me..... Does the primer make that much difference or is there something else that I'm not aware of!

    Thanks guys
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    A Collector's View - The SMLE Short Magazine Lee Enfield 1903-1989. It is 300 8.5x11 inch pages with 1,000+ photo’s, most in color, and each book is serial-numbered.  Covering the SMLE from 1903 to the end of production in India in 1989 it looks at how each model differs and manufacturer differences from a collecting point of view along with the major accessories that could be attached to the rifle. For the record this is not a moneymaker, I hope just to break even, eventually, at $80/book plus shipping.  In the USA shipping is $5.00 for media mail.  I will accept PayPal, Zelle, MO and good old checks (and cash if you want to stop by for a tour!).  CLICK BANNER to send me a PM for International pricing and shipping. Manufacturer of various vintage rifle scopes for the 1903 such as our M73G4 (reproduction of the Weaver 330C) and Malcolm 8X Gen II (Unertl reproduction). Several of our scopes are used in the CMP Vintage Sniper competition on top of 1903 rifles. Brian Dick ... BDL Ltd. - Specializing in British and Commonwealth weapons Specializing in premium ammunition and reloading components. Your source for the finest in High Power Competition Gear. Here at T-bones Shipwrighting we specialise in vintage service rifle: re-barrelling, bedding, repairs, modifications and accurizing. We also provide importation services for firearms, parts and weapons, for both private or commercial businesses.
     

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    Primer does make a difference, but mostly it's their machinery. I wouldn't worry, you're going to follow a written loading from a reputable company and then cronograph it yourself to find out where you are with your own rifle. Right? That won't look like the info published either. Of course when you start at the bottom of the loads listed and work up, it will look different too, won't it?

    I wouldn't get to wrapped up, it's all good info.
    Regards, Jim

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    Nick Harvey's book has the same as the 1st but ADI's has 06H (4895) at 38 - 42 max also a rule of thumb I use if using a Mag primer is to drop the load I am using by 1 grain
    Bullets can alter pressure as well even though they are the same weight they may be from different manufacturers one may be ok at that seating depth but the other may not giving you a spike in pressure.

    And when reloading or developing a load change only one thing at a time that way you find what works for that rifle if you say change the load, the primer, powder type and jump you will not get a clear indication of what works for that particular rifles.
    I akin it to keeping the wife or girlfriend happy is it is a fine line that pleases them but a great train wreck (accuracy wise) if you fool around too much sorta chasing your tail trying to find out what works.
    As always start low and work up in .2 of a grain and shoot 3 shot groups 5 shotters are a thing of the past as if it isn't grouping putting another 2 shots in there is just ditching money we all shoot 3 shotters when developing loads as you must get your technique right. Have fun.

    I use 46gns AR 2209 (Hog 4350, H414, IMR 4350), 174gn SMK, RP case, Fed 210 Match primer for all the small fleet I have and it works, last Nov '16 I took out the Invitational multi range 300, 200, 100M multi position "As Issued" with my No.1 shooter Savage No.4 at the SASR range in Perth so the load works for me.
    Last edited by CINDERS; 04-10-2017 at 03:37 AM.

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    Legacy Member enfield303t's Avatar
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    For the few Lee Enfields we use I find very good accuracy with 39.5 gr of RX15 with a CCI 200 primer and a 174gr Sierra Match King HPBT.

    We have never chronied that load so no idea on velocity but no signs of pressure.

    I use that load in the No4 Savage and a BSA, I know countless say you can't get accuracy with a BT so maybe it is all LUCK.

    Also loaded some 150 gr SP with 39 gr of 3031 and it chronied a average of 2626 fps with max difference high to low of 28 fps.
    Why use a 50 pound bomb when a 500 pound bomb will do?

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    Hornady 4th Ed 36.9 to 42.9 of H4895
    The primer is the Federal #210

    I would recommend that you collect 5 to 7 manuals. Throw out the high data and low data manuals. Use data from the 3 manuals that are close together in the middle.
    Last edited by ireload2; 04-12-2017 at 03:48 AM.

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    Quote Originally Posted by ireload2 View Post
    I would recommend that you collect 5 to 7 manuals. Throw out the high data and low data manuals. Use data from the 3 manuals that are close together in the middle.
    Agreed. I'd be careful accepting data related online. Manufacturer data is fine...check in the books.
    Regards, Jim

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    Then get lots of range time because I can tell you the only way you are going to get viable data for your rifles is to load-test-load-test-load.....till you find a combination that is just right for that particular rifle its as simple as that. What ever is proffered reduce by 10% an work up in .2 of a grain watching for pressure signs then watching the nodes (group will be open then shrink then open again as the powder charge is increased) obviously you take the small group as that is the node your looking for 3 shot groups are the norm now days, if it cannot clover leaf 3 shots then throwing 5 at it will only show up dispersion and cost money.

    Most of us here have 0000's rounds of reloading of all different calibers the combinations are limited only by your imagination and wallet but always start on the low side never go the max straight up as that is courting disaster.
    I just checked the reloaded round count I have shot just in my 6.5 x 284 alone in the 4 years I have had it and it stands at 4,102, my 303's I do not do round counts nor my other F standard 308. (I lied I round count my .303 Sniper T for obvious reasons.)

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