Handgun shotshells are more complicated than one might think.

I don't have my load info available at the moment but i think 180 grain sst's with 4 grains of trail boss worked in my 14 inch barrel. V • SSP RELOADING DATA. .300 Whisper description from AR15barrels.com, https://en.wikipedia.org/w/index.php?title=.300_Whisper&oldid=960145728, Creative Commons Attribution-ShareAlike License, This page was last edited on 1 June 2020, at 10:32. Testing in ballistic gelatin uncovered some very interesting results. I & II; Gun Digest Big Fat Book of the .45 ACP, Gun Digest Book of the AR-15, Gun Digest Book of the AK and SKS, Gun Digest Book of the Glock and Gunsmithing: Pistols and Revolvers, among other titles. For deer hunters, this is perfect. Big bore semiauto or a lever gun? The reaming was required because the new neck was formed in the middle of the body of the original case. by TNFrank61 » Fri Jan 16, 2015 2:06 pm, Post Awesome caliber i.m.h.o. So even with a lower starting velocity, the 240-grain .30 bullet will drift less than a 168-grain bullet in the same wind. Developed specifically for military purposes, it is a SAAMI standard cartridge. As you can see in the chart, I tested quite a few handloads with bullets weighing from 110 to 200 grains. His work on modifying brass was a continual headache. I used that combination along with my T/C Contender to work up some new .300 Whisper handloads. This site uses Akismet to reduce spam. In order to recover bullets, I had to wrap the block on all sides with Kevlar vests. The smaller the amount they have to adjust, the less effect an error, or change in wind, will have on their scores. In the early 1990s J.D. I’ve talked to people involved, and they did their due diligence, and worked it up properly.

The real boon for target shooters is that a higher-BC bullet is less affected by wind. Next, we pit subsonic rivals against each other before stretching the legs of this CQB round out to 600 yards from a short 9-inch barrel. All that changed with the development of the Precision Rifle Series, where targets are at odd and differing distances.

Caribou Media Group earns a commission from qualifying purchases. "Whisper" is a registered trademark of SSK Industries. So can someone look over the loading data for the 300 Whisper in the Hornady 8th Edition loading manual and tell me if it looks like it'd be safe to use the recipes to load 300 Blackout? This is offset by the greater cost of the bullets, as a 240-grain .308 jacketed bullet is going to cost you more than a 230-grain lead bullet for a .45 ACP. Keith Feeley of Tactical Solutions sat down with Michael Bane at SHOT Show 2018 to talk about the new X-Ring Takedown SBR .22LR rifle. ©2020 Outdoor Sportsman Group. OK, so from the early 1970s, to the late 1980s, the heaviest .30 bullets that could be had went from 168 grains to 220 grains. The 300 AAC Blackout is the most successful 30 caliber cartridge with these design parameters and been widely accepted whereas the .300 Whisper has fallen into disuse. The .300 Blackout was type-certified by SAAMI, and Remington and everyone else began making ammo. Each shot would travel about 10 inches into a gel block, and then the yawing bullet would veer to the top, bottom or sides of the block, and exit. Top. If you look in the article you mentioned (the same I posted before) you'll see that velocities are the same for both 300 BLK and 300 whisper factory ammo, fired in guns with chambered for either rounds.
As I recall, I then just full-length sized them and added primer, powder, and bullets. Moderators: gds, bakerjw, renegade, bamachem, Post This means you have the option to read your magazine on most popular phones and tablets. Among the many products shown these past few years was a Smith & Wesson M&P15 carbine chambered in .300 Whisper/.300 AAC Blackout.
I've ran into that with Unique in my 9x19mm loads when comparing data from Speer, Lee, Hornady and Lyman. We’re getting a bit involved here, so stick with me. designed the cartridge, modified brass, trademarked it as the .300 Whisper, and began offering rifles and ammo. After experimenting with the Whisper for a short while, I moved on to other new and/or interesting rounds. by plant.one » Fri Jan 16, 2015 2:58 am, Post Subscriber Services. For any given cartridge, operating at a certain pressure, adding weight to a bullet means you have less velocity. Simple solution… reload!

For long-distance shooting, the competitor has two problems: distance and wind. A subsonic 240-grain bullet is going to be going, at most, at 1,050 fps. .300 Whisper Load Data Handloading the .300 Whisper and AAC Blackout is no different than most other bottleneck rifle rounds. The .300 Whisper is what is known as a wildcat cartridge in that there is no set or published standard like the Sporting Arms and Manufacturers’ Institute (SAAMI) standard round would have. ISS Prop House gives us the rundown on the guns used in Enemy at the Gate. Firing in the .300 Whisper chamber results in a slightly sharper shoulder. It was based on the .221 Remington Fireball case necked to .30 caliber and had an overall length of 2.260 inches - same as the .223 Remington - allowing it to function in the AR-15 rifles and magazines. A new ammo maker burst onto the scene, in the form of the .300 Blackout. Well you would be wrong. Remember earlier, when we discussed pressure testing, and certification agencies? This was in 2011, and life was good. Hornady's 140-grain MonoFlex bullet has relief grooves formed in the shank. Match bullet. Wind, however, does.

Editor's Note: This article is an excerpt from Cartridges of the AR-15, available at GunDigestStore.com. Whisper’s built after 1999 were dimensionally identical to the .300 Blackout and are fully interchangeable; however, the latter features a .015-inch longer chamber throat. I fired the iron-sighted Contender at 25 yards and the M&P15 at 50 yards to start, but after I'd fired 100 or so rounds in the rifle, I moved out to 100 yards and fired a few select loads. 175 Gr.

These loads performed quite well. Developing them brought many... Because case prep is the most time-consuming step in the handloading process, we say any tool... Give a Gift   you can find hornady's 9th for like $25 right now at several places. But we risk wandering, so back to it. Formed by simply necking up the .221 Fireball case to .30 caliber, the .300 Whisper was designed so that it would launch heavy bullets slower than the speed of sound; there would be no "crack" caused by a sonic boom. by TNFrank61 » Fri Jan 16, 2015 10:23 am, Post If you want a different performance envelope, you can switch to .300 Blackout and Whisper loads using 110- to 125-grain bullets, which will be delivered as much as 2,300 fps out of a 16-inch barrel. Please don't dissect posts just to bash, it's a waste of time for us all. Jones, owner of SSK Industries. Whisper data and blackout data is virtually identical but Hornady list velocities for a 16" barrel IIRC.

It was the varminting answer to “How do I use a handgun to shoot varmints?”.

We ping steel with a .300 WinMag at over a mile. .300 Blackout Vs .300 Whisper: Is There A Difference? The Fireball itself was essentially just a shortened .223, meant for use in single-shot bolt-action pistols, primarily the Remington XP100. In developing loads for this cartridge, some published data required an excessively compressed powder charge, which bulged the case body just below the shoulder when seating bullets, effectively ruining the case. Developed by Advanced Armament Company, or AAC, the Blackout was brought into being because of AAC’s military customers. This is offset by the greater cost of the bullets, as a 240-grain .308 jacketed bullet is going to cost you more than a 230-grain lead bullet for a .45 ACP.

Obviously, the Whisper's residual energy available at 150 yards is correspondingly reduced. If your DNR permits deer hunting with suppressors, then you have your answer: A lightweight AR, in .300 Blackout or Whisper, with a suppressor is just the ticket for getting new shooters introduced to hunting. At the time, ARs were not on my radar, but working with a new and interesting cartridge was right up my alley. by smustian » Fri Jan 16, 2015 11:26 am, Post In either loading, the .300 Blackout and Whisper do not use much powder per shot, so if you reload, powder costs are about as small as they get. The 240, in any given cartridge, has to be going slower, simply because the pressure limit of the cartridge determines the maximum amount of energy you can use to push the bullet. You simply swapped uppers, loaded mil-spec magazines with the same number of .300 Whisper rounds as 5.56 NATO, and fired at will. 125 grain (8 g) bullets will reach 2,400 ft/s (730 m/s). Meaning not every .300 Whisper is alike and if you come across one of the older rounds that might have been loaded by your uncle Cletus in his garage. They will, just as you had, come up with a clone of the Whisper and Blackout. A modern, expanding, .30 bullet of 110 to 125 grains, out of one of the .300s is soft in recoil, not overly noisy, and more than enough to bring down a whitetail. Patrick Sweeney is the author of many of Gun Digest books' best-selling titles, including Gun Digest Book of the 1911, Vols. Barrels with a 1:10 twist will stabilize 220 grain (14 g) bullets at subsonic speeds. The 110- and 125-grain handloads would readily dispatch any coyote or chuck within 150 yards or so, and the 130-, 150-, and 168-grain ammo, properly placed, is just powerful enough to take a porker or whitetail.

The Whisper also offered the versatility to push 125- grain bullets at 2,250 fps, which significantly extended its range, but at the cost of increased sound. Winchester Model 70 Extreme Weather SS Review, Revolver vs. Semiauto Pistol: A Ballistic Oddity, Shooting Times Father's Day 2019 Gift Guide, Tactical Solutions Introduces New X-Ring Takedown SBR Rifle, Black Hills Evolution of Rifle Cartridge: .308 Win. The .300 Whisper was designed to be compatible with the AR-15 platform. I ordered it and a Nikon M-300 optics package specifically configured to complement this cartridge's unique ballistics. Differing wall thicknesses meant some rounds would not chamber unless the formed case was reamed. The .300 Blackout is here to stay, and we take some time to look at new technology surrounding this cartridge. That means you have to be even more attentive to knowing your bullet's actual trajectory to be sure you will strike your intended point of aim. You could, if you were lucky and persistent, score a supply of 175-grain FMJ-BT bullets, which were used for decades before by the military. by TNFrank61 » Sat Jan 17, 2015 10:00 am, Powered by phpBB® Forum Software © phpBB Limited. I do see two reasons to emphasize the round's limited range. In target shooting, riflemen must estimate the effect of wind drift in real time and adjust for it. Jones of SSK Industries began developing a wildcat cartridge (at the request of US military Special Forces) that became known as the .300 Whisper. You could probably load some heavies up with a small charge of trail boss for subsonic flight for a rifle length barrel. All Shooting Times subscribers now have digital access to their magazine content. It is mankind I have no trust in. The .300 Whisper was developed by cartridge wildcatter J.D. "Never forget those who have died; Never forget who killed them.". by TNFrank61 » Fri Jan 16, 2015 1:24 am, Post I also didn't anneal the case necks.


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