Max OAL for 9mm is 1.169" and the load data has a minimum OAL of 1.095 (Lee load data) to … I use 147 gr. Max is the 9mm cartridge spec max and in theory a round made to that length should fit and function in all guns. for a particular cartridge. Sounds like I should be okay at 1.155" as a starting point and make up a few batches at various lengths to find the best level of reliability for me. "Given adequate penetration, a larger diameter bullet will have an edge in wounding effectiveness. I loaded them today, they pass my Wilson gauge (not a sizing issue) I got to the range and the round won't chamber. FMJs, and the manuals (yes I use three) say the minimum OAL is 1.142" and the maximum OAL is 1.169". & OAL length 1.140, which are the NOT TO EXCEED. I personally think they should state max and minimum and used OAL being it can change the load pressure drastically in such a small shell as the 9mm. Those published loads have been tested to be safe at that specific length, and they will always fit in your magazine. There has always been a great tendency to load bullets for auto pistols longer than normal due to fear that deeper seating of the bullet would result in excessive pressure in the rounds. 9mm Caliber.355” Diameter. Geno2k, the case walls of 9mm Luger start to thicken about .300 from the case mouth, and the interior diameter of the case declines. My guess is your charge was to light. 10mm Auto. The reloading guide for American Select shows 5.2 Gr. I load my 9mm 115g FMJRN to 1.155-1.160 OAL and have not had any issues running them through a few different guns. I feel that the OAL is set at max on it, since Winchester just doesn't have much data for the powder in 9MM. Max OAL for 9mm is 1.169" and the load data has a minimum OAL of 1.095 (Lee load data) to 1.100 (Winchester load data). I am using the deluxe press from Lee and the dispenser seems to not be 100% accurate. Understanding Minimum OAL specific to my .45 reloads with LEE 230gr TC projectile I recently loaded 300 rounds to the following spec: 5.7gr Unique, 230gr Lee cast TC projectile to an OAL of 1.2000" They shoot great. Small changes in OAL can make unexpectedly large pressure changes in small pistol cases like the 9mm Lugar. I use 147 gr. When your reloading manuel notes a minimum OAL for a specific load it is telling you not to load this recipe below the stated minimum overall length. 357 Magnum. Will probably try it this weekend. The 1992 Reloaders Guide published by Hercules ( maker of Bullseye back then) lists this for 9mm Luger. However, finding I will say (without a chrono) that OAL when I load 9mm seems to effect felt recoil, so I would assume it would effect pressure/velocity as well. This is with 5 different powders and so confident that I actually have two separate dies that I used lock tite to set them with. .380 Auto / .380 ACP / 9mm Kurtz (Lee Precision Data) Warning! With 9mm, the tolerance is only 0.010" (0.754"-0.744"). Well, the Lyman Manual does give Min OAL, but if I remember correctly, their 115 grain sample bullet was a Hornady XTP (hollow point). I settled at about 1.140 and stuck with that.. I mostly got concerned when I started digging deeper and seeing everyone's data using much shorter OAL. “WTF?! I shoot these minor loads with my Shadow 2 and X5. 380 Auto (ACP) 9mm Luger (Parabellum) 357 Sig. Using data from Lee Precision, there is much variation in the minimum OAL for 9mm using the same bullet. Today's SAAMI maximum OAL is the original DWM minimum length. I came to my COL of 1.10 from listed data, maybe the Hodgdon manual, maybe website too. The rounds did very well out of my Glock 17. Glen Zediker wrote a book entitled Handloading for Competition: Making The Target Bigger, and here are some of the highlights from what it says about bullet jump and seating depth: “Determining the bullet seating depth a rifle likes best is normally ‘fine … It worked nicely in my XDm and my Sigs, but accuracy in my Loaded wasnt quite right. What weapon are you using? The effect of seating the bullet to an Over All Length (OAL) to contact the leade can be a 25% to 50% reduction in group size. I load all my 115 RN to 1.140 FWIW and they perform great. The challenge is different bullet types and brands and weights have different shapes and lengths. This OAL dimension shows the industry standard (SAAMI spec.) I guess my worry is What would be the practical limit of a 9mm XTP HP that has a straight side or shoulder before transitioning to the hollowpoint? For a better experience, please enable JavaScript in your browser before proceeding. My first batch of titegroup 4.2 at 1.155 was also extremely light. “An OAL greater than 26 inches [has the potential to change] the classification of When I was making my test loads using same powder and bullet, I had an OAL of 1.150" and was starting out at 4.5 grains. As a general rule, you should avoid bullets that require you to seat their bases deeper than .300, or you run the risk of bowing out the case walls in the middle or even swaging down the bullet base, neither of which is a good thing. I had been using an OAL of 1.100. 800 OAL 178 gr A-Max Lapua Brass 43. What I do is find an actual bullet that is specified in the load tables for the weight that interests me. My variations get as low as 1.154 and the minimum length for the powder bullet combo is 1.150. FMJs, and the manuals (yes I use three) say the minimum OAL is 1.142" and the maximum OAL is 1.169". (not sure tho) i believe 1.169 is the standard Max OAL. Suite 500, Troy, Michigan 48084 USA. Min OAL is to minimize potential over pressure due to reduced case volume. The starting grains for Unique stated in the Lee manual (p508) is 5.5gr for 115 gr XTP and states the min OAL is 1.125. 1.102-1.104” OAL Power factor is 128-132 to meet minimum I’m requirement for USPSA Competition. Come join the discussion about optics, gunsmithing, styles, reviews, accessories, classifieds, and more! Shooting these same loads on my MPX yields a power factor of 141 I used Sierra 115 gr. 41 Rem Mag. Glock 26. I wondered if it failed to feed because of the OAL or possibly because the low charge (4.2 gr of Universal) failed to move the slide adequately enough. Thanks for the input so far guys. I’ve only made about 6 bullets to test for OAL so far. I am reloading 9mm on a Lee Single Stage press.I am looking to get the most consistent COAL for my rounds. One more question, how much variation in OAL is expected and/or acceptable once you've settled on a load? 38 Caliber.357” Diameter. How much depends on the bullet, powder type and charge weight. 9 mm Parabellum OAL For some reason SAAMI and the US manufacturer's decided that Georg Luger's design wasn't good enough and shortened the OAL. I believe the over all length is stated max is some books and minimum or OAL used in data stated in others. For example, my reference books for 9mm Luger show max OAL of 1.169 inch and min OAL of 1.090 inch (for the powder and bullet I'm using). Chamber checked and cycled them through the M&P with no issues. The majority of the rounds fall between 1.123" and 1.127". Those published loads have been tested to be safe at that specific length, and they will always fit in your magazine. The ALLIANT RELOADER'S GUIDE says MIN OAL is 1.140. Keep in mind that case gages do NOT measure OAL as much as headspace & cartridge spec diameter. Using bullets from Jacketed, XTP, Lead, Copper Plated. Generally that length is best for that load, however, there's a difference between safety and how well a specific load operates in a particular firearm. I guess my worry is going below the min OAL. Start at 10% below the max load and work up gradually. They fit fine in my gage. Bought some X-Treme 124 gr 9mm HP’s to test. Forcing cone fit means that the bullet seats into the forcing cone or leade when chambered. Best to chamber check with the barrel clean and out of the gun. JHP with American Select Powder 4.9 grains. Notes: CAUTION: With NEVER EXCEED LOADS maintain Minimum Over All Length or longer.Small Pistol Primer. ; All measurements are given in millimeters, followed by the equivalent in inches between parentheses. ; OAL refers to the overall length of the loaded round. Although such an edge clearly exists, its significance cannot be quantified". 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. So I set it to 1.164. The max OAL for 9mm was listed as 1.169" in Lee's Modern Reloading. I've been searching for a week and have come up with so many different loads and O.A.L's for this combination then I went through all my books and the information … 9mm Luger / 9mm Parabellum (Lee Precision Data) reloading data with 479 loads. Hornady's 9th Edition, Lee's Modern Reloading 2nd Edition, and the data in the fold-up reference that comes with a set of LEE reloading dies for .45 ACP. This is the principal reason the Luger has a poor reputation for reliablity. If it fit in a case gauge then I doubt it caused the problem. My loads fall well within the recommended guidelines for max load and OAL, however, I'm wondering why my OAL's are so variant. WESHOOT2 put me on to Power Pistol some time ago, and that's all I use for 9mm now. My open 9 major 38 Special. Groove diameters in 9mm barrels vary from 0.354” to 0.361”. These Sierra bullets in my option look very Just with a visual 1.60 looks pretty good but 1.06 looks way too short. Try seating the bullet to get an OAL of 1.095gr, then work your way up to that load. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features The 9mm Luger has a reputation for mediocre accuracy with jacketed bullets and a worse reputation with cast bullets. I believe the over all length is stated max is some books and minimum or OAL used in data stated in others. I've been using Power Pistol in my XDm and my Springer Loaded. With hollow points and flat points I set at 1.120. Come join the discussion about optics, gunsmithing, styles, reviews, troubleshooting, accessories, classifieds, and more! I have had 9mm oal's as short as .95 your talking some pretty low powder amounts at that point. (MODERN RELOADING Second Edition - Richard Lee) Be Alert: Publisher cannot be responsible for errors in published load data. The MIN OAL is really a way of stating the minimum case volume for safe pressures in a given load. A forum community dedicated to all 1911 firearm owners and enthusiasts. Written by Steve Tucker, this article appeared in the Nov/Dec 1999 #142, issue of the Fouling Shot. If you are a case gauge'r the process works like this. I’ve only made about 6 bullets to test for OAL so far. Im trying to figure a good starting oal for 9mm 124 gr xtp win231 win sp primers Hornady book lists min oal at 1.060 Lee lists 1.090 for min and the lee lists different min oal for different powders i havent checked the lynam yet. My LEE dies have the Max OAL listed on the page that came with the dies as: 1.169" I think that this is basically to guarantee that they feed in the magazines. OAL is dead on with my specs. I've read that you get better accuracy from using an OAL closer towards the maximum side, so I wouldn't change your OAL. Im kinda new to reloading also and still unsure about the OAL. I am able to load Zero 125 JHP's and MG 124 JHP's to 1.145" OAL in Glock 9mm mags. It varies by powder. I did make up a few empty rounds at 1.155" - 1.158". Minimum OAL (inches) Bbl Length Primer Powder Charge Weight (grains) Velocity (fps) Notes 9mm Luger 115 gr FMJ Federal 1.12 4 Fed 100 BE-86 6.1 1,219-9mm Luger 124 gr FMJ federal 1.12 4 Fed 100 BE-86 5.8 1,167- 1.12 JavaScript is disabled. The G26 is not as tollerant of low power loads. My Jackets aRe full Metal wanna wear oNe? Thanks. I reloaded my first batch of 9mm, and I want your advice. Do your own research. How a cheap can an old, the old fart get?!”. That is bullet + case. For a better experience, please enable JavaScript in your browser before proceeding. For example, at a max OAL of 1.15, John's seating depth with Bullet X is .180, but John wants all his seating depths to be at least .200, so he loads Bullet X at 1.130 so as to get his minimum desired seating depth. There is no rifling to engage so your bbl has to be used as final gage for proper OAL. I made another lot with the same diameter and powder charge and I will shoot them later this week.