Truncated cone vs round nose accuracy As you can see, the hollow point and truncated cone bullets both make cleaner holes on the targets. everything said regarding the superiority of flat points for their ease of loading, longer bearing surface, and terminal effects on steel. The original . Shooting AE9FP from a handgun offhand has no significant different result for me shooting AE9AP (124gr round nose) the same way at SD distances. The RN work fine but am wondering if the TC has any advantage. 45 Colt bullet profile is known as a truncated cone or round nosed flat point (RNFP). Key word, "Cone", I did look at my TC . Thoughts? . Jul 30, 2008 · That is a good description of the performance of a round nose bullet, but does not agree with the experience of folks on this site with flat nose bullets. Fast to load with moon clips and good feeding in any auto. Higher velocity upped the 124 grain bullet to 400 ft-lbs of muzzle Jun 16, 2019 · So a truncated cone bullet is the same as a flat nose (or flat point) bullet like the AE9FP round. 45 ACP revolvers and 1911s. . 355 needs. Sep 9, 2022 · It depends on what you are using the bullets for. I do find TC a bit more accurate in most guns. The round nose 9mm ammo actually had more feeding problems in a Luger with worn magazine catch cut outs. The flat point punches a nice hole and the holes from them are clearly different. 357 Fiocchi's and they have a flat nose, but they still look pointy, so in point is very small in contrast to the overall bullet width, at least these Fiocchi's. Imagine a traffic cone that doesn’t go to the top, but is instead cut off and has a flat plane at the top. Nor does it match Veral Smith's descriptions from many years developing the flat noses and the findings of many converts who found they drop game faster than expanding points, even when in Jul 17, 2017 · 225 cast truncated cone work fine in my Colt Lightweight Commander, not so in my ruger CMD, the nose hangs on ramp. If you want it to be 100%, use RN ammo. The truncated cone is on the bottom. Feb 28, 2005 · In 1981-82 I was the USAF test engineer that evaluated the 9MM FP Truncated Cone Bullet developed at Eglin AFB- than called the PGU-19/P projectile. However, many guns are not 100% reliable with SWCs. May 6, 2011 · For my education I have been wondering about the truncated cone nose compared to the Round Flat Nose while playing with the program at Mountain Molds. 3 m red dot. However, I've also found that semi-wadcutter and hollow-point are slightly more accurate that TC. Round Nose and Truncated Cone bullets. Oct 21, 2018 · On the original question, my experience has consistently been that truncated cone (which I think you're calling FP conical) is more accurate than round nose. Jul 19, 2014 · For bullseye shooting, I think that SWCs will give you more points over the long term as they will touch the next higher scoring ring that a round nose bullet will just miss. Assuming the meplat is the same is there a big difference between the two with 44 or larger bullets? Jan 29, 2013 · I'd like to hear from shooters who have experience with the 225-230 gr. The first iteration was the straight cone version. RN is just about reliability. My CZ will run pretty much anything but I was wondering if there was an advantage of one over the other. They all work to one extent or another, the semi wadcutter being the most problematic. Dec 24, 2020 · I have to assume the only reason TC don’t feed as well in old style 1911 feed ramps is the same reason why newer 1911 and 2011s have the feed ramp better integrated into the barrel rather than a combo of barrel and lower. Does the flat nose give increased terminal performance with FMJ? I know it does with lead vs. could be tuned to run them in the Ruger but not my normal bullet. The 90457 has a single lube groove. The original cartridge design was for a 120-125 grain bullet. The more elliptical (pointier) the round nose, the more the yaw, because more mass is located toward the base of the bullet than the Apr 1, 2021 · Has anyone any info on the difference btw shooting the round nose bullets in USPSA/IDPA vs the flat nose bullets? Blue Bullets now has both in 147gn. Because of their flat nose, they leave clean holes in paper targets, which can be an advantage to some shooters. Mar 7, 2014 · I have tried round nose, truncated cone,found flat, and semi wadcutter in my 9mm. They feed fine but I was thinking of trying the Truncated Cone style. Feb 6, 2016 · The round nose (Lyman 358242) prints/cuts a ragged hole on the target whereas the conical nose (RCBS) 115 cuts a sharp(er) hole similar to a wadcutter. Jun 23, 2010 · Truncated cone denotes a SPECIFIC bullet shape with a flat nose. May 11, 2022 · Just know that truncated cone bullets are simply cone-shaped rounds that don’t have a point at the end but instead have a flat plane, one that runs parallel to the base of the bullet. Oct 23, 2023 · Was looking at purchasing some more 9mm and was looking for NATO spec rounds. The 90465 is a tumble lube design. It’s always had a great reputation as a man stopper. Semi-wadcutters are also more effective for defensive purposes than round nose bullets. 40 I have seen has been plated. I usually use the 9mm in round nose, but think I’m just switching over to these for all my . Aside from the Winchester 124 grain NATO, there is also a 115 grain "service grade" with a flat nose vs round loaded to 1,300 FPS. Which round do you think would Mar 2, 2022 · Lee makes two round nose 125 grain 9mm bullets. 40. Oct 18, 2010 · A round nose bullet experiences more drag, because a round nose bullet's meplat, ogive, and shank are in direct contact with soft tissue as it penetrates. 45 ACP or 9mm (as compared to RN). Round nose bullets tend to yaw slightly as they penetrate. Feb 12, 2015 · Just loaded some 9mm cone 125gr but have not shot/tested to see how they compare to the high shoulder round nose HiTek coated bullets I usually load. My goal is to narrow down my bullets since the cone style has a lower shoulder that I can still load long for 2011 feeding but still will clear the rifling in my Glock so I can have one OAL that May 26, 2016 · I've never found any difference in performance in the gun when using truncated cone bullets in either . Jul 7, 2020 · The most consistently accurate have been flat nose designs (FMJ or JHP), and of those the conical nose seem more consistently accurate than round nose flat point. Apr 27, 2020 · Does anyone have a performance comparison between the round nose and truncated cone bullets? I have been using the 125 gr. Nov 29, 2021 · I've been using Blue Bullet 125 Gr Round Nose for several years now. RN Blue bullets and am considering trying the TC bullets. JHP bullets have all the mass at the rear of the bullet and that helps it stabilize better before it leaves the barrel. Jul 7, 2020 · Truncated cones generally shoot more accurately at distance than round nose due to less mass in front of the base. The mag. One has a single lube groove, the other is tumble lube design. I think Blue Bullets changed from round nose to truncated cone a while ago. Out of this custom barrel, these are dead nut accurate and do well at 25 yards hand held with my . Can anyone say that either is more likely accurate or easier to get good results with? I'm looking for something to shoot out of . I have seen some round shoulder flat point ammo that I thought looked like FMJ in . truncated cone bullets? I'm loading 124 9mm for both semi auto pistol and PCC. Looking at internet chatter, I don’t know how to answer OP’s question qualitatively. Truncated Cone Bullets « Reply #16 on: May 02, 2020, 07:14:31 AM » I second or 3rd or 25th. Oct 26, 2023 · These load and fit the same in my 9mm without needing to change the seating die. Accuracy from a fixed Mann barrel was phenomenal - about an inch at 50 yards. They cut cleaner holes in paper & crush more tissue in living things. Naturally, it depends on which specific bullet is used. Any of the other three designs should work well. TC & FP can be almost the same. Jul 7, 2020 · A side test compared the accuracy of round nose bullets to those of flat nose (flat point, hollow point) bullets and found that flat nose bullets statistically produced smaller groups than the round nose bullets. Nov 27, 2012 · The only round nose . I have a couple guns that have tight chambers and I need to keep OAL with the round nose to the minimum to chamber properly. Both designs were standard for the Luger but do well in modern semi-autos. round nose. Apr 26, 2024 · Truncated Cone (FMJ-TC) – A full metal jacket truncated cone bullet has the same characteristic of an FMJ round, only the bullet is shaped like a cone, but with a flat tip that runs parallel to the bullet’s base. Nov 24, 2020 · For reloading, do you prefer round nose 9mm or cone shaped bullets and why? Thanks! Nov 27, 2012 · I also shot some of my Berry’s RN 147gr bullets to compare to the CamPro 147gr truncated cone (essentially a hollow point without the hollow). I have used round, truncated cone, and hollow points in my Glock and M&P and have never had any feeding problems. Jan 4, 2023 · Has anybody seen any difference in use, function, reliability, accuracy between round nose bullets vs. The longer bearing surface seems more stable. Some time in the early part of the 20th century wadcutter bullets arrived. 230 or 200 RN work fine in both guns. It basically started in the early 1870s as a round-nosed bullet given a slight flattened nose. There is a difference on target though. Jan 20, 2013 · The 9mm Luger cartridge used a truncated cone bullet till 1916, and was only switched to a round nose due to the Hague Convention concerns over excessive suffering, not due to feed problems. May 1, 2020 · Re: Round nose vs. 9mm shoots these equally well. I will add that they were very accurate.
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