|
|
|
Discussion Forums
Forum Index
> Rifles general discussion
> Round Nose Interlocks
Round Nose Interlocks
@ 02:22 pm (GMT) |
Jared ThibodauxA good friend of mine bought several thousand bullets from an old friend of his who had become too old to handload anymore (for only $100!) Among them were 1200 Hornady RN interlocks in 180 and 220gr. I don't know if they even make such a bullet anymore, but I wad hoping someone here had dome experence with them since they are not covered in the knowlagebase. Right now I am running the 180s out of an old Rem 742 carbine with 57gr of Ramshot Hunter, only shot one hog with them thus far and it did drop him on the spot, in fact it hit so hard that I heard the thud of bullet impacting over the muzzleblast at 70 yards! Is that performance normal for these bullets, are they generally considered a good hog/deer bullet? One thing I can say good about them is that they have cycled perfectly in a 742 that is VERY prone to jamming. |
Replies
|
@ 02:36 pm (GMT) |
Jared ThibodauxRe: Round Nose InterlocksOh I forgot to mention the caliber in question is .30 and the 742 is a 30-06 but I am sure you hardcore gun junkies already figured that.They shoot pretty good, I am holding about 1.25 MOA at 100 with a no magnification red dot, all the accuray he would ever need in a brush gun. Yes I know they have a lackluster BC but as I said this is a woods rifle, it will probably never see a shot over 200 yards. |
@ 05:54 pm (GMT) |
Nathan FosterRe: Round Nose InterlocksHi Jared, I have tested both bullets. These are relatively soft and about ideal for close work on wild pig and deer.The limitations of these bullets are that they can be caught in a no mans land. At low impact velocities, (.308 loads), wide frontal area can prevent deep penetration (which folk usually expect when using this type of bullet). At very high velocities, the Interlock bullets shed frontal area- but also shed a great deal of weight. To prevent these factors from becoming a weakness, the .30 cal round nosed bullets are best used on medium game, rather than large bodied game or anything potentially dangerous. The slight increase in frontal area can give an audible "whock" sound however the differences in performance, although evident, are not nearly as pronounced as that found in the .358" bore and above where a change in bullet profile makes a dramatic difference. Having said that, bore size is only a partial explanation- bullet design being a significant factor. For example, the blunt nosed .30 caliber Vulkan is much more dramatic in energy transfer than a host of .30 cal 180gr bullets. What I am trying to say here is that the profile of the Interlock .30 cal round nose has some effect- but is not immensely dramatic on its own. Nevertheless, at close ranges and providing velocity is high, you will at times see more immediate energy transfer on lean game where a pointed Interlock can produce delayed killing with rear lung shots- regardless of internal wounding. In some instances, the audible feedback is simply a result of the bullet arriving at the target later than a pointed bullet (due to BC), the time delay allowing sound feedback where before muzzle blast covered the impact sound. One thing you will need to keep in mind is that these bullets may be age annealed. They may have been sitting for many years, you may notice that the packaging is the old style red box, the logo forming the letter H. If these bullets are of this age, they will be near fully frangible. This will further relegate them to light to mid weight game hunting at bush ranges (angled shots etc), performance appearing more dramatic than new projectiles (albeit with less penetration), the rapid energy transfer would certainly aid audible feedback. Certainly good bullets for your purposes. |
|
@ 09:39 pm (GMT) |
Jared ThibodauxRe: Round Nose InterlocksI don't think age has hurt them to bad, I did not see any excessive signs of fragmentation and the exit wound was only about 1.5" My friend's grandson got the chance to try them out on a few more live subjects the other day and he was impressed as well though I was not able to examine them myself. |
Please wait
ABOUT USWe are a small, family run business, based out of Taranaki, New Zealand, who specialize in cartridge research and testing, and rifle accurizing.
|
KNOWLEDGEBASE |
KNOWLEDGEBASE |