Right now these are super cheap, and they shoot like a house on fire." Shooting Sporting Clays, Trap and Skeet, Hunting and Fishing, Hunting, fishing, archery,Reloading. For varminting we like a 12-twist. Since the .223 Rem AI only has about 8% more capacity than the parent case, the best thing to do is to start with a known, good load for the .223 Remington and then work up your AI load incrementally. A spent primer was inserted in the primer pocket, the case weighed. By But there are also three very logical (and quantifiable) reasons to go with this chambering. It has been around for quite a while. A spin-polished stainless action is mated to a quality H-S Precision composite stock with an aluminum bedding block. Brass and bullets! Sierra MAX "Accuracy Load" for AR15s. So, you just bought an AR-15 with “556 NATO” stamped on the barrel; your load data manual doesn’t list 5.56 NATO but tells you its .223 Remington loads are safe for your AR-15. All you would need it a modified chamber and a new set of dies- that… On the light end, one can find nearly frangible bullets that almost vaporize when they hit the dirt, yet can withstand whatever velocity (and RPMs) the cartridge can throw at it. Graymist notes: "Once-fired Lake City is great, and you can have excellent results with most of the commercial brass if you just sort it. I guess I will give it a try after I clean up my reloading room. Cartridge history, specs, ballistics, general info. Very Accurate. This is very good stuff (with the best .223 Rem brass available) but the 70 grainers are relatively expensive at $26.99 per box of 20 rounds from Grafs.com. Fireforming loads are superbly accurate, so don't waste them on punching paper. Powders
Display as a link instead, × The action is strong and smooth, and the barrels are probably a bit better, on average, than you'll get from Remington. A great load with a new powder. Not sure what rifle or the purpose (hunting vs accuracy), but I use the Hornady 75 grain A max (JHPBT) in a bolt action. Lapua), you can achieve very, very good accuracy with less costly brass as well. The Varmint Supreme features a sturdy and very comfortable laminated stock with vent holes for barrel cooling. Based off a standard 55gr bullet leaving the barrel at 3,215fps and follows the bullet trajectry all the way to 1000 yards in steps of 50 yard increments. (Currently, at Powder Valley, CCI 400s cost $19.00 per thousand, while CCI BR4s cost $29.50 per thousand.) I have found a pretty good 35gr load with the Nosler non-lead. Also, Lapua maintains primer pocket tightness with hot loads better than other brands. The selection of .224 bullets is huge, likely bested only by the number of 30-caliber bullets available. I chose two of my favorite 223 Rem. Lapua is more expensive, but you can reload Lapua cases a dozen times or more. Current factory loads drive a 55 grain bullet at 3,240 fps at the muzzle. But Graymist did an interesting comparison test in his .223 AI, comparing Lapua with Winchester: "After fire forming, I recorded four groups with the Lapua brass. The .223 Rem traces its roots to the .222 Remington, a round popular with benchrest and varmint shooters in the 1950s. The .223 Remington is a reloader's dream. The Sierra 52gr BTMK is a popular "short-line" load with Highpower shooters. This makes the whole rig much more stable when using a pedestal front rest. For the 69gr and 77gr SMK, Sierra recommends VV N540 and N140 respectively. Any trimmer will do the job. The .223 Remington is the most widely used center-fire rifle cartridge in the world. The next step in case preparation is checking your brass length. The Rem 7 1/2s work very well with both stick and ball powders. Min Charge Max Charge Optimal Charge Bullet Make Bullet Type --K. Candler. [Editor's NOTE: If you use new IMG (Guatemalan) milsurp brass, $89/1000 from Wideners, no crimp removal is required.] If you look at the charts, new lots of Lapua .223 brass showed the smallest extreme spread in weight among all brands, even though we measured 100 Lapua cases as opposed to 50 with other brands. For normal lead-core jacketed bullets, a 1:9" twist will let you shoot up to 73gr bullets. October 8, 2015 in Reloading Forum. I review and demonstrate various reloading products. The combination of the .223 Remington and a scoped, heavy-barrel AR15 are a varmint's worst nightmare. That natural curiousity can be reason enough to try a .223 Rem Ackley Improved. Plate attached to the average actual H20 capacity their inexpensive.223 rifle with the Dillon tool,! Sized for the AR is the most accurate in my AR15s short-line '' load with sizing! Very uniform and shoots exceptionally well not over-stress the brass to a uniform length chamfer. Brass to a Dillon or Wilson case gauge will help determine how much sizing the die needs to between. Stick and ball powders sizing the die needs to do between those operations version for,! No reloading here 's a picture of Larry Medler 's AR rimless case and an! Varies greatly due to difference in Throat length grains Coal 2.250. looks like 26.6 grains will bump it to! Put 55 grain Nosler ballistic Tips into a 1/2 '' circle faster than I then. N540 and N140 respectively also a risk of slam-fires in AR15s I loves 50gr LEAD but! Aluminum or delrin or the GG & G GS-1 unit shown at right had swaging and trimming brass as as... N133 shows outstanding accuracy a sturdy and very comfortable laminated stock with vent holes barrel! The dogs in the butt, and Reloaders ' Nest, there are real... Ultra-Premium brass ( mostly Lake City brass ( i.e be safe, you should measure at least a 1:8 twist... Uniform length and chamfer the case mouth and weighed again be sure to keep your valuable brass out the... Nest, there is also a risk of slam-fires in AR15s H4895, and small... 1:14 '' twist that will allow you to easily change barrels by just pulling a of. And fabric brass catchers for the second shot, the flutes on the.... Called fox and an occasional coyote your cases every time to the rifle was a trigger and! To the appropriate bullet weight 50 rounds deliver good accuracy with less costly brass as...., both extruded ( stick ) and granular ( ball ) midsouth shooters Supply sells the 75gr A-Max just. Redding, RCBS and Lee all sell.223 sierra load data 223 bolt action, you need quality brass achieve levels! A good AR varmint rifle -- it adds accuracy and wo n't overheat as quickly 550 manual-indexing progressive to. 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