Referring to the MatchKing as an “open tip” projectile to get away from the confusion caused by the manufacturer’s description of it as a “hollow point,” acquisition for competition was approved. OTM fielding in other calibers, such as .300 Norma Magnum and .338 Lapua Magnum are under consideration. Looks like my own testing is about .3% off his on the 69’s, cant wait to compare the 77 grain results too. Since Sierras announcement of their line of Tipped MatchKing's, I've gotten a lot of requests to test them for BC. Happy reloading! ga.src = ('https:' == document.location.protocol ? Dave, We were shooting the 77 TMK`s last week and they shot 3/4 minute or better, just as good as the 77 mk. Interesting, cant wait for the 6.5 ‘s to come out, looking forward to the 77 gr TMK data. Providing your barrel likes them. Keep an eye out for new additions to our product line! ga.src = ('https:' == document.location.protocol ? Sierra gives recommendations of a few powders to try with the new tipped bullets. Hesitation in requesting authorization for M852 combat use faded in 1990 in the lead-up to Operation DESERT STORM, the U.S.-led Coalition effort to liberate Kuwait following Iraq’s invasion. Guess im a few years behind the times.
Like shooting 80`s or 80.5`s all they way back. Hey guys-thanks for your research time and info I have a Sauer 100 Pantera in .223 Twist is 1-10 I would have liked 1-8 or 1-9 but the Germans who make these rifles know their stuff The new Sierra 60gr tmk with .32 bc is a bullet Im really looking forward to trying Why did you not include it here?
What did you settle for on the seating depth? As described in this article, military interest in the MatchKing and other open tip match (OTM) bullets, including sniper use in combat, developed slowly due to misunderstandings that persist to this day.
Which is just off the lands. When provided a copy of the 1997 legal review of the M1118LR containing a detailed explanation as to its legality and rationale for approving its combat use, the JAG questioned the legal review’s value because it was “nine years old.” Legal reviews of weapons and ammunition do not have a “shelf life,” but are “forever” documents. The JAG agreed with the ASP contractor. It also produced the largest group, 1.159″. At 100 yards you can be heard, seen and even smelled. Match King vs Game King. My 30-30 at 150grains is a much better hunting round and the rounds are cheap and easy to get.
So comparing a .223 at 300 yds to a .22 LR is not a good comparison. 308 Winchester load development: Sierra 168 gr. I didn’t put enough orange dots on this target.
If i understand yoi correctly from above then you have a 1/4" jump to the lands. Precious few of us have access to anything past 300 and those are the lucky ones. Project Guns- Gunsmithing articles and posts, Bartlein Heavy Varmint contour 1:8.5″ twist barrel, Bartelin 1:8.5″ twist Heavy Varmint barrel, MagnetoSpeed V3 versus Oehler 35P: Chronograph comparison and review. Both offer exceptional precision to the marksman, but a middle weight 6.5mm option eluded those of us who use their bullets until November 2015 with the introduction of the 130 grain Tipped MatchKing (TMK) part number 7430. Sierra’s Reloading Manual (5th edition) states, “The MatchKing bullets are designed for pinpoint accuracy, with no consideration given to what might happen after impact.
Do not disregard the amount of energy that a 5.56 or .223 round is carrying. Now to your defensive position comment. So, once upon a time, a long time ago in a galaxy far far away, I loaded ammo … Guy, did you load the TMK’s mag length? Maybe that was your problem with them? But his test proved the M852 did not “expand or open easily” as proscribed by the 1899 Hague Convention. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
At that range the 77 is still traveling way over the speed of sound. Throughout the years, Sierra Bullets has recommended against use of the MatchKing bullet for hunting because it was not designed for terminal ballistics.
Minimizing the meplat minimizes aerodynamic drag, preserving velocity, reducing time of flight, and providing a high quality flatter shooting bullet. My model 700P LTR with 1:12 twist did not like the Tipped Matchking 175 grains at any seated depth. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
In my barrel anyways, 7.7 Krieger. Below are my findings for the 4 out of 6 bullets I've been able to acquire and test so far. Thats quite a bit. For a better experience, please enable JavaScript in your browser before proceeding. The unduly restrictive language was removed, as shown in the current box (bottom right). Misunderstanding through ignorance persists. Today OTM ammunition is offered by a number of manufacturers for law enforcement and military use and has been adopted and employed by other militaries in the Afghanistan and Iraq conflicts. I haven't found a lot of people using these yet though anyone here have any experience with them? I did some more testing today loaded the same CBTO as my SMK load .095 off the lands from top left 43.5 grains, top right 44.0 grains, center 44.5 grains varget. In 1993 the Marine Corps identified its expectations for 7.62x51mm accuracy. var _gaq = _gaq || []; The request for legal review was answered in the affirmative the same day. Below are Litz’s findings for four out of the six bullets he has able to acquire and test so far. Using a Hornady OAL gauge, I measured the 6.5 Creedmoor with 130 TMK‘s to have an OAL of 2.866″ to the lands. If the bullet has arrived on target accurately, its job is done at that point.”. Drop the velocity to 2600-2650 FPS from a 14.5 inch carbine with the 77 SMK and you have 27 yards flub. Haven’t shot them in the 7 twist yet. Awesome work! I shoot 600 yds A LOT with an AR.
How do these Tipped MatchKings compare to standard MatchKings? The International Criminal Court limited the prohibition to military use of bullets designed to expand or open easily only when employed to “uselessly aggravate suffering or the wounding effect upon the target.” In this respect the international community belatedly arrived at the point argued by Captain Crozier in 1899. I also asked if there were plans to introduce a 6.5mm 130 grain MatchKing, to which Sierra responded, “not at this point in time, but our line is ever changing. The MatchKing’s extremely small aperture stands in contrast to traditional hunting bullet designs that depend on large or skived openings or other enhancements to improve terminal performance. NEW Tipped MatchKing (TMK) Bullets from Sierra, Sierra MatchKing (SMK) vs. Sierra Tipped MatchKing (TMK), Ultra-High BC Sierra MatchKings in .223, .264, and .308 Calibers, RifleShooter.com Reviews New .30-Cal 175gr Tipped MatchKings, Sierra Bullet Sale at Midsouth Through 3/18/2018, Speer Releases Handloading Manual Number 15, Varminter.com Field Tests New Lead Free 17 WSM Ammo, Advanced New Area 419 ZERO 9-Station Turret Press, SunDay GunDay: .284 Shehane Team USA Raffle Prize Rifle, Sunday GunDay: Glen Zediker 1959 – 2020, In Memoriam, Barney Lawton, Action-Builder and Barrel-Maker, Loses Fight with Cancer, BYOB — Build Your Own Bench for Reloading — Free Plans. Sierra Bullets has remedied this somewhat by referring to it as “open tip match” in its invoices. Additionally, soft-points that expand even at much reduced speeds means the round is very viable out to 600 yards. The 1899 Hague Declaration does not use the term “hollow point” as such, but “hollow point” became the common lay term to summarize the Hague Declaration prohibition, neglecting the additional criteria that the projectile “expand or open easily” on impact with soft tissue at all distances. I switch back and forth between .3 and .5 grain increments with load development.
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