Tikka T3 223 1-8 load data Sierra TMK 77 grain. Interesting.....My Lyman manual says 25 grains MAX of Varget...I will check into this. Hey guys, I have Lee and Hornady loading books, just curious about Sierra TMK SMK bullets in the 70 to 80 grain range for 223.

So far I've tried 0, 3, 6, 9, 12, and 15 Ft-Lb crimps. × COL was 2.260. I'm reloading Lake City brass with Sierra 77 gr TMK using TAC powder. 223 Remington (AR-15) Nosler data shows 24.5 Varget as MAX on their 77 gr using 1 - 7" twist also. 0000003246 00000 n In 1992, Sierra announced an 80 grain MatchKing specifically for the 600-yard stage of this type of competition. For shooting at 600yd we use either 69,75,or 77gr bullets but for 1,000 it is 75 and 80gr. Range to target was 130 yards. Of course I have only shot a couple of match events, and for the most part I suck at it but it's all in good fun.

Most Service Rifle shooters are using a Wylde chamber or some variant of it so we use 5.56mm loading specs for our 600yard ammo. Some guy's are unreal with a set of iron sights at distances that can make you dizzy trying to concentrate on the target. These help you to keep from popping primers when running hot loads. You have to keep them supersonic or they will hit the dirt before they 1,000yd line, basicly, and that requires a lot of powder. 0000001356 00000 n 0000024047 00000 n 0000009403 00000 n Finally took a deer with 77gr. Gun Parts - Stocks, Barrels, Actions, etc. I always assumed the chamber geometry would have more to do with it than barrel length and twist. Inches in diameter. I'd use the Hodgdon data starting low and working up. He shot a MOA at 600 with his "Service Rifle" with "Match" sights. Kind of funny seeing an Aussie bust the chops of a Kiwi (assuming kiwi refers to being a New Zealander). Where is the best place to start? It had something to do with the dwell time vs bolt carrier weight and why some carbines and sbr's will short stroke. Thank you very much for the info!

I only know a couple High Power shooters and both of those guys are using the 308WIN.

Varget is my favorite powder and I'm also doing some loading for 75 & 80 AMAX with Reloader 15. I'm shooting 18" 1 - 8" twist. The twist and barrel length realy only have an affect on velocity and bullet stabilization, which are both critical when pushing a .223 bullet past 600yds. Sierra lists the 65 and 63 grain bullets together in the same table sharing the same data. Hi all, I've recently purchased some Sierra 77 TMK's to run in my suppressed T3. Just a note so you don't get into pressure issues based on your chamber. I hit the 1MOA steel plate on the second shot...just using the same "dope" as the 80 grainer! My Sierra V Edition has that bullet for .223AR but doesn't list a load with CFE223. I'd like to learn what loads work for you guys. Upload or insert images from URL. Clear editor. I don't want to get into pressure problems either. 0000021292 00000 n 0000008079 00000 n He was also shooting at a 600 yard target, the X ring is 1 MOA and the 7 ring is about 30?   Your link has been automatically embedded. Hey aushunter1 thanks for worldly advice, your rugby team might need some while you're at it! Using bullets from Nosler BT, Sierra SP, Speer SP, Sierra HP, Hornady V-Max, Sierra HPBT, JLK VLD, Sierra … 0000001828 00000 n Hodgdon 223 data shows the 23.7 MAX. Some other standard Highpower/Service Rifle 600yd loads: And if you have some TAC we have played with 24.5-25gr and had decent results. All of these were crimped with a Lee Factory Crimp Die. I am really looking for a mag length load that I can basically "blue print" one of my rifles to....have a "dope" chart in 50 yard increments out to 600 yards. Hi all, I've recently purchased some Sierra 77 TMK's to run in my suppressed T3.   Your previous content has been restored. Hodgdon's website has a load for .223 for the Sierra 63 grain SP. Course.

Joined Mar 15, 2019 Messages 19 Location New Zealand.

0000003157 00000 n I don't want to get into pressure problems either.

0000010692 00000 n Not busting up anyone in particular just making a point! Have you tried this load without crimping? I want any and ALL suggestions and comments. Powered by Invision Community, I have no experience with doing this in magazine overall length but we do use, 77 grain Sierra Match King in 223 Remington.

Shot with a guy a few weeks ago who was getting ready for Camp Perry. 23.7gr Varget is the noted MAX for a .223 chambered barrel. OK...preliminary results are favorable.

If it does, how do you find data for a different barrel than that used for the data development? I plan to run a measured crimp pressure series on these starting with no crimp.

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