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Thread: 6x45 heavy cast experiences?

  1. 12-30-2016, 07:15 PM #1
    jiandawg
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    6x45 heavy cast experiences?

    I was considering building an ar15 in 6x45 and was curious if anyone had any experience with the NOE 246-105 in this caliber in an AR platform. From a lot of what I'm seeing most people are running in the sub 80gr and sub 2400fps range with success, but I wanted to maximize the muzzle energy by increasing weight. From what I'm seeing on some load data, the hornady 100grs can be run at 2300-2400fps with decent pressures.

    Thanks.
    Last edited by jiandawg; 12-31-2016 at 02:35 PM. Reason: fixing some dyslexic typing
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  2. 12-31-2016, 12:15 PM #2
    hicard
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    I assume you meant to use NOE 243-105. I show a Lyman 99 gr cast boolit can go 2286 fps safely at 45353 psi in a 16.5 in barrel. Energy is at 1164 ft lbs with 19.5 grns of IMR 4198.
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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