41 Rem Mag. This Year. Custom case length gauges can be made for cartridges that fit an existing shell holder. Loading below this length shown may start to cause an increase in chamber pressure and ultimately may produce a "compressed" powder charge, and a corresponding jump in … How important is case length on 9mm? Case length won't affect crimp (9mm is taper not roll crimped). I've got cases that are down to .735" that have never been trimmed. OK. To my new friends, I thank you for your replies to my inquiry. 357 Magnum. R.E. Forum, Outdoor Hub, LLC (d/b/a Carbon Media Group), 3290 W. Big Beaver Rd. the 9mm Luger is also referred to as the 9x19 for 19mm case length. 41 Rem Mag. When the cases reach the maximum they are supposed it be trimmed back to 0.744 inches (0.010 inches shorter than max). The way it works is there is a maximum case length listed in reloading manuals and that is 0.754 inches for 9mm Luger. Taking a 9x19 parabellum as an example the bullet would be about 10mm in length and the case 19mm long (19.15 to be precise) Anecdote Warning 1. I once got some Boxer primed Makarov brass in with 9mm P. It would run right through the Dillon and I would not notice a thing until I was gauging the finished ammo and see a lot of bullet showing or have it drop way down in the … http://greent.com/40Page/ammo/40/180gr.htm, The Fire For Effect and Totally Politically Incorr, The Ask the Pros & What's It Worth? minimum case length for 9mm luger, minimum length 9mm brass, minimum overall case length for 9mm, reload max min length 9mm, what is the min and max case length for reloading 9mm luger cases. by TAB on Mon Dec 21, 2015 12:10 am ... Just got done cleaning up after a range session testing 9mm case length. Click on a term to search for related topics. I measured a Winchester factory round and the COL was 1.165, I measured a Federal factory round and the COL was 1.150. 41 Caliber.410” Diameter. 44 Caliber.429” Diameter. How critical is the over all length to performance as long as the rounds are short enough to feed through the magazine and make the pistol function? I trim anything over .7460" Fired cases shrink about .003-.005 and resize back nicely. 380 Auto (ACP) 9mm Luger (Parabellum) 357 Sig. 38 Caliber.357” Diameter. I like simple tests so one day I took a pistol with a 4-1/2 inch barrel and one of my 9mm carbines over to a buddy's range. I have sent a contact message to Speer but they are gone for the holidays until Jan. 5. Bullet shape combined with overall length may effect how well they ramp into the chamber. Even with a minimum headspace gun the effect is not always obvious in a small sample of groups shot. by TAB on Mon Dec 21, 2015 12:10 am ... Just got done cleaning up after a range session testing 9mm case length. 44 … Thread starter gilream; Start date Apr 3, 2011; gilream Active Member. Pistol cartridge and case gauges from Lyman and LE Wilson are used to ensure cartridges will chamber and cases are correct lengths. I like simple tests so one day I took a pistol with a 4-1/2 inch barrel and one of my 9mm carbines over to a buddy's range. Come join the discussion about optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and more! Meddle not in the affairs of dragons, for thou art crunchy, and taste good with catsup - George of Lod, Year of Our Lord 297, The way it works is there is a maximum case length listed in reloading manuals and that is 0.754 inches for 9mm Luger. Pistol cartridge and case gauges from Lyman and LE Wilson are used to ensure cartridges will chamber and cases are correct lengths. Maximum case length of 9mm is 0.754" -- when brass is longer than this figure, it should be trimmed before being reloaded. 9mm Caliber.355” Diameter. Specific cartridge gauges quickly check and determine whether cases need trimming, assure correct headspace and prevent over sizing. This article lists firearm cartridges that have a bullet in the 9 millimeters (0.35 in) to 9.99 millimeters (0.393 in) caliber range.. Case length refers to the round case length. The manuals that i've read state that the maximum is 1.169. I think 1.169 is the SAAMI MAXIMUM overall length for a 9mm cartridge. 380 Auto (ACP) 9mm Luger (Parabellum) 357 Sig. Page 1 of 2 1 2 Last. The Lee Case Length Gauge gives you a fast and accurate way to trim your brass cases while also squaring the mouths. 9mm headspace on the case mouth. Thanks. I trim my 9mm to .745" +/- .001" per Hornady data. I use a stainless steel match grade barrel in my Glock so I can shoot lead bullets. While there is really no maximum caliber, the smallest we can make is .22. Joined May 5, 2009 Messages 40 Reactions 0 Points 0. Joined May 5, 2009 Messages 40 Reactions 0 Points 0. FOR: 9mm Luger. American National Standards Published by SAAMI . The manuals that i've read state that the maximum is 1.169. Cartridge OAL (Over All Length) in pistol calibers is the most important factor in pressure levels. ; OAL refers to the overall length of the loaded round. You cannot assume pressure rises linear as you shorten the COL, see for example the table on this page: A forum community dedicated to all firearm owners and enthusiasts. Albert Einstein". Suite 500, Troy, Michigan 48084 USA. The L. E. WILSON CASE LENGTH GAGE is a one-piece, non-adjustable cylinder-type gage with milled surfaces on one end for checking minimum and maximum overall length of rifle and pistol cases having no shoulder. All New Case and Cartridge Gauge with Tri Step Face Design - Patented . It will affect accuracy, and possibly reliability. I am presently finishing up priming 600 9mm Luger cases of various head stamps so I went down to the basement and measured some. If you searching to check on Minimum Rifle Barrel Length And 9mm Short Barrel Rifle price. However, since I have measured new ammo that I have fired only once and all of the other brands that I bought as once fired and they seem to be consistent in the .745" to .747" range, along with the advice of my TFF friends and the fact that no one seems to have had a problem shooting this "perceived" short ammo I accept that their is no problem here. Origins. Apr 3, 2011 #1. My question is: What is the minimum case length I should press a bullet into? When the cases reach the maximum they are supposed it be trimmed back to 0.744 inches (0.010 inches shorter than max). Re: Minimum length for 9mm Please observe that the cartridge overall length is defined more by the volume inside the loaded case relative to the powder charge than by the particular mass of the bullet, though the bullet weight and shape are carefully calculated in to arrive at that figure. 10mm Auto. Dr.Don Posts: 734 Join date: 2012-10-31 Location: Cedar Park, TX. 9mm headspace on the case mouth. 9mm Kurz. I am finding that I have case lengths that range from .737 to .759. 38 Caliber.357” Diameter. I have had pistols that required shorter COAL due to minimal rifling lead in (Freebore). I just shoot it, inspect it, clean it, size and deprime it, bell it, prime it and reload it. It is, however, considered to be the close to minimum for defending your person. I have never done anything about case length for an auto caliber. How critical is the over all length to performance as … The reloaded round sits too deep in the gauge and I can get light primer strikes in my Glock. Only slight case mouth belling is needed prior to seating the bullet in the case. I have over 3000 9mm cases that I reload and they all started life with me as either new empty factory brass or brass I got from factory ammo I bought, fired and then reloaded. R.E. I have accumulated a lot of 9mm brass by either buying alleged once fired and collecting at the gun range. The length will affect headspace. ; All measurements are given in millimeters, followed by the equivalent in inches between parentheses. 9mm Caliber.355” Diameter. 44 Rem Mag. I have never trimmed any of it either. Not one of the ones I have measured have measured the SAAMI specification length of .754". I like trimming because you get consistent case lengths to start with and a nice square case mouth. It will affect accuracy, and possibly reliability. 44 Caliber.429” Diameter. Thread Tools: Search this Thread: I found this out by dropping them into the barrel, removed from the gun, and seeing them disappear. I am using Blue Dot powder and the rounds are for my Glock 19. once tool for measuring case length is the Mitutoyo Digimatic Calipers. Please remember you should always use a deburring tool after case trimming as well. Case Trim: 0.744” Barrel Length: 5.00” Twist Rate: 1:10” Barrel: Wiseman 9mm Luger 9mm Luger * Use a taper crimp on the case mouth. I've found that the varation in the lenght of 9mm cases directly affects the amount of crimp on the case. Dillon handgun case gages allow you to check your handgun ammunition to ensure it will fit a minimum sized chamber. You must log in or register to reply here. All cases (aka – brass) have a few different length specifications: SAAMI maximum, SAAMI minimum, a “trim to” length that is typically .010” or so below SAAMI maximum, and less well known; the Manufacturer’s Initial Length. For a better experience, please enable JavaScript in your browser before proceeding. R.E., you made me curious. Best length debates go on and on. Handgun Case Gages. He had an old thick tank water heater. It seems to me that we both have run into the same animal. Stock Number: dhcg. All New Case and Cartridge Gauge with Tri Step Face Design - Patented . Our innovative patented 3 step face design will measure the minimum case length (bottom step), maximum case length (middle step), and also show you the SAAMI specs for maximum allowed chamber headspace (difference between middle and upper step which is the face … Apr 3, 2011 #1. Re: Sorting 9mm brass by case length question. Like . First you find the COL that works and then you work up the load from the START load. How much depends on distance, gun, load, and you. Re: Sorting 9mm brass by case length question. Our ALL NEW PATENTED Case and Cartridge gauge! 10mm Caliber.400” Diameter. … Minimum power factor for Minor : 125 : 3: Minimum bullet weight : No : 4: Minimum bullet caliber / cartridge case length : 9mm (0.354") / 19mm (0.748") 5: Minimum bullet caliber for Major : Not applicable : 6: Minimum trigger pull (see Appendix F2) 2.27 kg (5lbs) for first shot : 7: Maximum handgun size : Maximum barrel length … 38 Special. I hate to admit it but I have never purposely measured any of my 9mm brass. Even with a minimum headspace gun the effect is not always obvious in a small sample of groups shot. The length will affect headspace. Because new cases are often slightly smaller in diameter than a fired and resized case, some allowance needs to be given for the initial case stretch that can occur when fired in the chamber. The SAAMI Standards are published to provide safety, reliability, and interchangeability standards for commercial manufactures of firearms, ammunition, and components. Case length can affect COL slightly if your case lengths are all over the board. The shell holder is used to hold the case firmly in place during this operation and while using your Lee Case Trimmer Cutter. Because of this allowance, the Manufacturer’s Initial Length will sometimes be slightly shorter than SAAMI minimum length. Obviously, 9mm is different in that respect. 10mm Auto. Seating a bullet too deeply generally increases the pressure levels. How much depends on distance, gun, load, and you. We will need to know the desired trim length, and either the bullet diameter or a couple sized sample cases. 41 Caliber.410” Diameter. Inches between parentheses optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and.... You get consistent 9mm minimum case length lengths that range from.737 to.759 inspect,... The ones i have measured have measured the SAAMI Standards are published to provide,! 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