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Is this the "Mini Gibbs" with Gibbs performance  or a "Mini" 500 Jeffery  577 BME 3"500 KILL ALL 358 GREMLIN 404-375 *we band of 45-70ers* (Founder) Single Shot Shooters Society S.S.S.S. (Founder) | |||
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"reference standard" opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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 577 BME 3"500 KILL ALL 358 GREMLIN 404-375 *we band of 45-70ers* (Founder) Single Shot Shooters Society S.S.S.S. (Founder) | |||
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Jeffeossos range results from today from previous page for reference.
577 BME 3"500 KILL ALL 358 GREMLIN 404-375 *we band of 45-70ers* (Founder) Single Shot Shooters Society S.S.S.S. (Founder) | |||
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Jeffe, Again ... not loading data but a point of reference. .458 AR, 22" Douglas barrel, Fed 215's, 425 gr Rhino's, 85.0 gr H335, 3.354" OAL ... 2343 fps. No pressure sign, relatively mild recoil, BIG noise. SD was not great as third rnd was slow. Accuracy at 50 = 3 rds cutting each other (2.5x scope). Mike -------------- DRSS, Womper's Club, NRA Life Member/Charter Member NRA Golden Eagles ... Knifemaker, http://www.mstarling.com | |||
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Damn this 458AR load data is killin' me ... at least 4 months until we're firing  Cheers... Con | |||
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Mike, thanks!@! i added to ammoguide.com! Con sorry mate.... can't get midway .458 ab barrels down under? bit heavy, but shoot very well.. jeffe opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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Nope ... unfortunately not on the A&B barrels. S&F is finding things are tightening real fast from your end. I'm just dithering whether to get a cheap Australian made Sprinter barrel for an M17 "test mule" rifle and delay the "proper" Ruger build a little longer ... but considering we're still awaiting the reamer ... I dont want the "proper" hunting rifle delayed as we'll be back out and chasing Sambar deer once the weather starts to cool next April-May. The load data you've presented for the 458AR however tempts me to try AR2206H (H4895) and the slower RL15 and AR2208 (Varget). Boy are we gonna have fun ... as if its faster powder it likes ... I've got BM2 (Benchmark), AR2219 (H322), BM1 (you guys dont get it) and AR2207 (H4198) just waiting for it. Itchin' to play!!! Cheers... Con | |||
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Out of my 22" bbl, RL-15 was too slow with 500 gr Woodleighs. I think this caliber needs a faster powder than that. The following RL-15 data demonstrates this, I think: Load Velocity ES MAD 78.0 gr 2020.9 25.0 8.9 79.0 gr 2020.1 1.1 0.5 (again FED 215s, OAL = 3.350) The extra grain of powder did not yield additional velocity but made it very consistent. Mike -------------- DRSS, Womper's Club, NRA Life Member/Charter Member NRA Golden Eagles ... Knifemaker, http://www.mstarling.com | |||
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Mike, Was the RL-15 compressed in those loads? Is it possibly a chronograph error? Have you tried Varget (AR2208) which is a touch faster than RL-15? Looks from your data that RL-15 may indeed be the slowest we can go. Nice to have a boundary on the slow side. Cheers... Con | |||
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Con, h380, 414, blc2, 760, and rl15 have all been a touch too slow, with the short barrels most of us have been using... i STRUGGLED with this on the 550 express.... then spoke with George, and his use of rel7 on the 470 capstick, and that i got great speeds from the 458 winmag with powder that FAST.... right now, it looks like h335, i4895, and wc844 (us surplus powder) burn right in there together and KICK BUTT jeffe opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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Don't think it's a chrono error ... not three rounds worth taken on the same day as other data that made sense. Have seldom seen this effect save when the powder is just too slow. Interesting that you just get a bigger muzzle flash  Cases were not overly full. May be slightly compressed but not severely. Barrel length may be a real issue with powder in this burn rate range. I think H335 is a better choice and I suspect even faster than that would be OK. Mike -------------- DRSS, Womper's Club, NRA Life Member/Charter Member NRA Golden Eagles ... Knifemaker, http://www.mstarling.com | |||
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Okay ... thanks guys. In the past with a 458WinMag ... AR2207 (H4198 which is in the RL-7 class) was the bee's knees with 350gr Hornady but topped out with the 500gr at just under 2000fps. A powder known as AR2206 (H4895 predecessor and 3% faster than what's your H4895) was the better poweder in my 458WinMag with 500gr, hitting 2070fps with ease and low pressures. Varget (AR2208) was too slow. So, I'm trying to "guess-timate" from past experience. If the ideal powder proves to be between H4198 and H4895 ... then we're set as we have 3 powders in the ADI line that will fill that niche ... and two are BenchMark powders with fine granules that can be really packed in!  Cheers... Con | |||
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h335 seems to be the one to start with... i won't waste any more time on much slower powders for em.... say, HARRY... your barrel is still 25" right? bet i can hit 2400 EASY with that opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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Is anyone gunna rechamber a take-down Browning BLR 450 marlin to 458 AR for use of 45-70 bullets??? seems a cost effective way though uglyesque to get an extra 500 fps. with a ream job and new dies.  577 BME 3"500 KILL ALL 358 GREMLIN 404-375 *we band of 45-70ers* (Founder) Single Shot Shooters Society S.S.S.S. (Founder) | |||
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Boomie, we will leave that project to you. | |||
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I think I will be content with the 470 577 BME 3"500 KILL ALL 358 GREMLIN 404-375 *we band of 45-70ers* (Founder) Single Shot Shooters Society S.S.S.S. (Founder) | |||
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Nope, it grew 6" since you last saw it. 31" bolt face to muzzle. I told Tom to leave all the good barrel he could from the blank just so I could see what velocities we could reach. I've intended to shorten it after a while but it's growing on me, to be honest. I may leave it alone. "Experience" is the only class you take where the exam comes before the lesson. | |||
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wow harry!! well, we just HAVE to run that over a chrono!! opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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nice -- my midway order status says 2 boxes of hornady 416 rigby have shipped on 10/19 .. might show up tomorrow or thursday!! yippie, 40 pieces of 500ar when i get a chance to fireform! opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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2 boxes of hornady brass, delivered today!! they'll be 500 ARs this weekend! opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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Looking forward to the report. I have my rifle ready once the barrels become available. Frank | |||
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Frank  the cases are just waiting their turn.. if you go back a page, well i posted load data .. here's the better results!!
opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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I just loaded 20 rnds 458 AR with 500gr hornady, looking to top 2300, and might make 2400 ... but, I am telling you, that would be a TOP load,. 2 different powders, working up i also loaded 20 rnds of 500 AR with 535gr woodleighs these should knock on 2400 FPS .. I also loaded 45 to-be-fireformed loads for the 500 gr... some misc rigby brass laying around, and 40 pieces of new hornady rigby.. 1 piece with a .510 bullet, 19pieces with a .475 cast, and 20 pieces with .458 cast ... yeah, i necked up and the .510 neckup didn't look great, and since the brass isn't trimmed, there could be an interference issue. I'll go shoot saturday or sunday, as the yaahoos have cleared out, now that deer season has started. man, I am telling you, getting an electornic scale has made loading the giants easier jeffe opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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load safe in my guns, looked fine. all warnings on using ANY loads you get off the internet all vels are ave of group, at 14ft, chronograghed. 83deg F, 100%humidity remember, the target for the 500ar with 535gr bullets is 2350... we CLOBBER that 500 AR - 535gr woodleighs, 3.4" oal, 24" barrel h335 100gr 2390ps 101gr 2425fps 102gr 2456fps i4895 99gr 2305fps 100gr 2318fps 101gr 2357fps 458 AR 500gr hornady SP, 3.35OAL, 23" barrel h335 83gr 2310fps 84gr 2333fps 85gr 2374fps I4895 83gr 2181fps 84gr 2222fps 85gr 2250fps all loads APPREARED to be perfectly reasonable, and I will start from here and go forward... all loads on the 458 AR had strikingly small SD (8 or LESS) this time as well opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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oh, yeah... if one adds 14FPS for chrono distance/delay, that's 2470 and 2388 ... or one grain away... but that would be MAX jeffe opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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as a wise person once said..."THATS FRIGGN' AWESOME!  So the 500 AR can be loaded with hunting levels of 535's @ 2200 and a last one in the mag defensive max round equiv. of a 500 A2...pretty slick el jeffe All in a handy compact carry weight rig. 577 BME 3"500 KILL ALL 358 GREMLIN 404-375 *we band of 45-70ers* (Founder) Single Shot Shooters Society S.S.S.S. (Founder) | |||
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jeffe, The suspense in getting our 458ARs built is starting to get to me! But ... it looks like S&F and I will be the first (at this rate) to slap a 300gr ontop and make a flat shooting Sambar/Elk thumper out of the 458AR I've also convinced a local bullet manufacturer to produce a cheap (AUD$50/100) 450-480gr RN just so we can feed our 458ARs a steady diet for the range. Cheers... Con | |||
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whoohoo!!! 50cent .458 bullets, of decent weight!! do not watch the clock mate!! opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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load safe in my guns, looked fine. all warnings on using ANY loads you get off the internet all vels are ave of group, at 14ft, chronograghed. 81deg F, 85%humidity 470 AR - 500gr woodleighs, 3.35" oal, 23" barrel h335 83gr 2225fps 84gr 2259fps 85gr 2309fps 86gr 2338fps 458 AR 500gr hornady SP, 3.35OAL, 23" barrel h335 85gr 2374fps MAX LOAD - DO Not exceed I tried more, but immediatly hit a "flat spot" with no gain. If you want 2400 over a chrono, you'll need a 24" barrel 458 AR 400gr woodliegh PP, 3.25OAL, 23" barrel h335 82gr 2327fps 85gr 2444fps 86gr 2475fps 87gr 2514fps 88gr 2542fps MAX LOAD - DO Not exceed I am going to set the 400gr woodies in another .035 to crimp correctly ... I will take an 84gr load 400gr at ~2400 hunting in 3 weeks @3.215" or so. opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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You have a 24" barrel its stainless There is wildcat treasure in heaven waiting for you el jeffe  Great work and good luck on the hunt 577 BME 3"500 KILL ALL 358 GREMLIN 404-375 *we band of 45-70ers* (Founder) Single Shot Shooters Society S.S.S.S. (Founder) | |||
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Boomstick, NO!!! Isn't that what they promise the suicide bombers ... or is it 20 vestal virgins?? You suggesting jeffe detonate that lovely barrel of his in the name of wildcat science?? Mind you ... might be worth is for 20 virgins, but 20 hours later its an empty promise??  Cheers... Con | |||
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Con, There's a 470 24"er in the works. opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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All anyone can reasonably say is ... WOW ... and crammed into a standard length action! The data certainly demonstrates that you pick the velocity you need for the hunt, and load to that. Would seldom be desirable to load to max. Ain't nothing needs THAT much killing. Congrats, Jeffe! I think you made your initial expectations plus a bunch on the AR line of cartridges. Mike -------------- DRSS, Womper's Club, NRA Life Member/Charter Member NRA Golden Eagles ... Knifemaker, http://www.mstarling.com | |||
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Mike, thanks!! I still think the original target, 500gr at 2200 is a "perfect" hunting load.. load the 500 in the 458 or 470, and the 600 in the 500ar at 2200, and you'll be using your brass for along time I think that the 400gr .458s are also a nifty and useful load, at 2400, and reasonable pressure.. and if you needed the recoil of 2400fps, you can get there from here opinions vary band of bubbas and STC hunting Club Information on Ammoguide about the416AR, 458AR, 470AR, 500AR What is an AR round? Case Drawings 416-458-470AR and 500AR. 476AR, http://www.weaponsmith.com | |||
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jeffe, I take it the 470AR is Boomsticks??!!?? About time he felt some big bore lovin' Regarding that 400gr PP load ... at 2500fps and sighted 3.7" high at 100yds ... its only 8" low at 300yds and still hitting like a 30/06 at the muzzle!! I dropped my donor Ruger into its laminate stock last night for a look see ... very nice with tonnes of wood to inlet a truck axle wide barrel if needed. I'm getting excited ... luckily the 375/08 is back after having its headspace reset so I have something "odd" to work with until the AR arrives. Cheers... Con | |||
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Con, A 375/08  | |||
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WbyPower, It's considered rude to point and laugh, besides, it kills the fairies and there are lots of them in Sudney . With excess headspace ... I managed mid 2300's with the Hornady 225gr and AR2207. Now I can get back to it without the primers backing out  . Late it'll be a 375/284 which atleast I have the dies for.You know ... I'm half considering rebarreling the CZ550 from 416Rigby to 378Wby ... think I need to take an aspirin and have a lie down. Cheers... Con | |||
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 405gr remy bullets backed by 80gr of i4895 gave me a headache this past weekend. I won't have a chance to run it over the chrono until next weekend though. Hopefully the pigs/deer will be more cooperative as well. Had a chance to do a side by side comparison with a CZ 458lott, wow, those CZ's are way to big. | |||
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....Very good velocities ........That 458 AR 400 gr @ 2400 fps I think would be pretty amazeing and hard to beat for world wide hunting .....I can,t begin to understand why Barnes quit makeing the 400 gr X....My experience with a 458 400 gr bullet @ 2380 avg vel @ about 35 deg f. and a bit more in the summer were that it was an amazeing killer ..and quite manageable .... ..If it can,t be grown , its gotta be mined .... | |||
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