Your results are kinda what I am looking for in a couple ways, I have concerns with the rounder ogive of the 77gr bullets. 0000013903 00000 n It averaged 2600 fps. 0000002464 00000 n That is why the compressed loads are chambered one at a time, they are way to long to fit into a mag, but I am referring to shooting between 600 and 1,000 and keeping them .010-.020 off of the lands. 0000005128 00000 n .223 Remington (Hodgdon CFE 223 Data) reloading data with 26 loads. Sierra lists the 65 and 63 grain bullets together in the same table sharing the same data. 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. For a better experience, please enable JavaScript in your browser before proceeding. 0000001356 00000 n Gun Parts - Stocks, Barrels, Actions, etc. %PDF-1.4 %���� I'd use the Hodgdon data starting low and working up. 0000010670 00000 n Im a relatively new reloader with only 15 years of experience compared to othern on here that would have 2 times that but I see this question so often on this & other forums that I take the same option with all that everyone asking the question is after the 'magic pill' solution! 59 0 obj << /Linearized 1 /O 61 /H [ 1080 297 ] /L 139043 /E 25154 /N 10 /T 137745 >> endobj xref 59 33 0000000016 00000 n I always assumed the chamber geometry would have more to do with it than barrel length and twist. Sierra data for 223 shows MAX of 23.9 Varget using the 77 gr HPBT but their test firearm is a 20" 1 - 7" twist. Range to target was 130 yards. Joined Mar 15, 2019 Messages 19 Location New Zealand. From 200 out to 500 we use standardized loads and bullet weights, after that is when it is time to pay attention to small details. For the 77 SMK at mag length you should be around 24-24.5gr of Varget and see 2700 fps +/- with a 20" 1in8 twist (it will be compressed and a long drop tube may help get it in tighter). 0000006833 00000 n H�b```"V>>~�ʰ1ljC39�TΈ��p�`��K V}�ttV�)�j6G��ǾN��[�7%E�;&?R�%��57L ��Y;�o_c``�� �`��2�8(k��$< H����'t(�%hw�`]�`����)��a����,f/.6�yZ��N�n��| � ` _mM} endstream endobj 91 0 obj 191 endobj 61 0 obj << /Type /Page /Parent 56 0 R /Resources 62 0 R /Contents [ 69 0 R 71 0 R 73 0 R 75 0 R 77 0 R 79 0 R 81 0 R 84 0 R ] /MediaBox [ 0 0 387 603 ] /CropBox [ 0 0 387 603 ] /Rotate 0 >> endobj 62 0 obj << /ProcSet [ /PDF /Text /ImageB ] /Font << /F1 64 0 R /F2 65 0 R >> /XObject << /Im1 82 0 R >> /ExtGState << /GS1 87 0 R /GS2 89 0 R >> /ColorSpace << /Cs6 63 0 R /Cs8 67 0 R >> >> endobj 63 0 obj [ /ICCBased 86 0 R ] endobj 64 0 obj << /Type /Font /Subtype /Type1 /FirstChar 32 /LastChar 151 /Widths [ 278 278 355 556 556 889 667 191 333 333 389 584 278 333 278 278 556 556 556 556 556 556 556 556 556 556 278 278 584 584 584 556 1015 667 667 722 722 667 611 778 722 278 500 667 556 833 722 778 667 778 722 667 611 722 667 944 667 667 611 278 278 278 469 556 333 556 556 500 556 556 278 556 556 222 222 500 222 833 556 556 556 556 333 500 278 556 500 722 500 500 500 334 260 334 584 350 0 350 0 0 0 0 0 0 0 0 0 0 0 350 0 350 350 0 222 333 333 350 0 1000 ] /Encoding /WinAnsiEncoding /BaseFont /OKLPHC+Helvetica /FontDescriptor 66 0 R >> endobj 65 0 obj << /Type /Font /Subtype /Type1 /Encoding /WinAnsiEncoding /BaseFont /Helvetica-Bold >> endobj 66 0 obj << /Type /FontDescriptor /Ascent 718 /CapHeight 718 /Descent -207 /Flags 32 /FontBBox [ -166 -225 1000 931 ] /FontName /OKLPHC+Helvetica /ItalicAngle 0 /StemV 88 /XHeight 523 /StemH 88 /CharSet (/one/eight/three/V/space/bullet/R/I/F/L/E/O/A/D/N/G/T/S/a/v/g/e/M/o/d/l/\ four/zero/two/quotedbl/x/six/W/i/n/c/h/s/t/r/period/nine/five/C/m/comma/\ H/f/b/u/quotedblleft/hyphen/quotedblright/w/parenleft/k/parenright/p/quo\ teright/y/exclam/seven/B/emdash/j/U/K/q/P/z/slash/Z/semicolon/X/asterisk\ /J/ampersand/Q/question/numbersign/colon) /FontFile3 85 0 R >> endobj 67 0 obj [ /Separation /PANTONE#20355#20C 63 0 R 88 0 R ] endobj 68 0 obj 1804 endobj 69 0 obj << /Filter /FlateDecode /Length 68 0 R >> stream Sierra data for 223 shows MAX of 23.9 Varget using the 77 gr HPBT but their test firearm is a 20" 1 - 7" twist. Sep 29, 2019 #1 KiwiIan Member. H��WMs�F��Wt� L�>��M���Y;��������p �Mk/�����ʻU)U�0������ї�O9-���No��c��wD�w������g��L�G����e���}:�E�~�P��#���ݬ��A�x\�s�����nl)ܸk?���q���_NdK�T�V�/��]#)�� �C?v���)-7oK���`�"�����kv��ƍ6&(�b׋�1�����v��p�y��G$�h�"��p?\�>/"7^�p�x���m=7�B��c�_�g/y�%�������� �& � ��G����w���ջ�޿��'��]ơ8;����ﻟ�v\�hS��7L�ޒX�|��ţ�GP����A�I���?�q��[G�k���m�*}cByP�0Jk叔ݩ�V��Z��&&^҅[oc7Z��Ҧ�5&��F���ߴ�~4�E�:F=}w�h��a�G��yy�`�v������L:�K�4��w�:��y�m��\�o���31�ιn4$ 1е!�zcd��o�buV}��]��e!�l��;8��A�Ǝ�d�ĔpDс����~ ÙĜI���V �]��:&�8���qt͜1@��7�_�_6�d�^�L�o�y�%ZϿ �����@�I8.�?��k���|��z[�L~9�V�޲�*�"oE�\�A�. The Sierra and Nosler data are just listing 223 and I thought that referred to chamber. 0000014580 00000 n Heck, some guy's say they use 90gr bullet and a 1:6.5 twist barrel but I have no experience with that. You must log in or register to reply here. I'm picking up another torque wrench next week to try higher pressures. The best on the BlitzKings so far was 6 and 12 Ft-Lbs. He shot a MOA at 600 with his "Service Rifle" with "Match" sights. 23.7gr Varget is the noted MAX for a .223 chambered barrel. Hi all, I've recently purchased some Sierra 77 TMK's to run in my suppressed T3. I hit the 1MOA steel plate on the second shot...just using the same "dope" as the 80 grainer! We do however seem to have several Service Rifle guys that come to shoot, but none of them use the 77SMK. I am an experienced loader and will accept my own liability when trying any loads anyone may wish to share with me. As this is a slow-fire stage, the 80 grain HPBT should be seated to approximately 2.550" OAL, and must be single-loaded.This bullet requires the use of a 1x7" or 1x8" twist for proper stability. 0000002573 00000 n 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. Nosler data shows 24.5 Varget as MAX on their 77 gr using 1 - 7" twist also. In 1992, Sierra announced an 80 grain MatchKing specifically for the 600-yard stage of this type of competition. Some guy's are unreal with a set of iron sights at distances that can make you dizzy trying to concentrate on the target. Shot with a guy a few weeks ago who was getting ready for Camp Perry. At 400 yards my front post is wider than a human torso. 0000001080 00000 n I am looking forward to the 600 yard "paper" results. I know the colt hbar has a chamber that will accept the longer bullets and everyone else who wanted to get into the service rifle scene followed suit. So far all of my loads fall within the parameters that Lyman specifies in their manual, although I would never try firing these loads through a standard 223 Remington chambered rifle. 0000012175 00000 n Kind of funny seeing an Aussie bust the chops of a Kiwi (assuming kiwi refers to being a New Zealander). 0000009403 00000 n I immediatly went to the 400 yard bench. 0000021292 00000 n Nosler HPBT using 23.5 gr of Varget. 0000006855 00000 n Interesting.....My Lyman manual says 25 grains MAX of Varget...I will check into this. 0000001789 00000 n 0000008101 00000 n I don't want to get into pressure problems either. He was also shooting at a 600 yard target, the X ring is 1 MOA and the 7 ring is about 30? 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. I also use 28gr Varget for the 40 and 50 grain V-MAX and the 52 grain Sierra Match King. 0000009381 00000 n I am ideally looking for a load that will give me 1/2 MOA groups at 400 and 600 yards, but I am willing to start from scratch if I have to. The guys on his team also use the same load....found out later they won, their name is "Team Hornady".....go figure, The only reason I am trying the 77SMK is for the "magazine" length. I'm shooting 18" 1 - 8" twist. Hey aushunter1 thanks for worldly advice, your rugby team might need some while you're at it! 0000001007 00000 n OK...preliminary results are favorable. All of these were crimped with a Lee Factory Crimp Die. trailer << /Size 92 /Info 57 0 R /Root 60 0 R /Prev 137735 /ID[<4e74c94a871dab1d19028121db5c1b6d><31b373a22a682a1c329cc79c03e6223e>] >> startxref 0 %%EOF 60 0 obj << /Type /Catalog /Pages 56 0 R /Metadata 58 0 R >> endobj 90 0 obj << /S 201 /Filter /FlateDecode /Length 91 0 R >> stream I was not aware that any of these could be loaded and used to shoot beyond 600yds in magazine overall length.   You cannot paste images directly. I am a little familiar with Bill Wylde and I think Rock River uses his 223Wylde chamber. If you have an account, sign in now to post with your account. Thread starter KiwiIan; Start date Sep 29, 2019; Help Support Long Range Hunting : Join the LRH Team or . He was using the 80gr AMAX and 24? It sounds scary.....but Lyman says you can do it, its in their book! Grains Reloader 15. 0000001584 00000 n I had some decent results (0.393 MOA) at 100 yds with 77 gr. Another benefit is reliable feeding in magazine fed firearms. × 0000014602 00000 n Sierra has enhanced a segment of the MatchKing line by adding the acetal resin tip, thus crowning the Tipped MatchKing (TMK) bullet line. I am assuming I could load to the 77 gr MK but concern with OAL at 2.260 may compress powder due to the TMK just a bit longer than the MK version. The Hodgdon Reloading Data Center (RDC) lists 21 different powder types that can be used in the .223. 28 grains of Varget will not fit in the case without vibrating it! 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. To qualify this load I shot 5 rounds at 100 yards to start out. I'd like to learn what loads work for you guys. Hodgdon 223 data shows the 23.7 MAX. It had something to do with the dwell time vs bolt carrier weight and why some carbines and sbr's will short stroke. OTM. Used factory loaded IMI 'Razor Core' 5.56 77 grain HPBT-Match out of a 1-8 twist 16 inch barrel. Using bullets from Nosler BT, Sierra SP, Speer SP, Sierra HP, Hornady V-Max, Sierra HPBT, JLK VLD, Sierra … Finally took a deer with 77gr. You can post now and register later.   Pasted as rich text. Hodgdon 223 data shows the 23.7 MAX. Hi all, I've recently purchased some Sierra 77 TMK's to run in my suppressed T3. 0000003246 00000 n I forgot to mention that I do not crimp any "tagret" loads. Hope you can find that and share the information here. The .223 caliber has evolved from the battlefield AR-15 platform to popular sporting use in varmint and predator hunting, match competition, and all-around plinking fun. 0000001828 00000 n The trick is to use the correct size target for the specific distance. If it does, how do you find data for a different barrel than that used for the data development? I am using 25.5gr Varget with the 69gr SMK and 24.5gr Varget with the 80gr Berger.....they both make a crunching sound when seating the bullet. How does twist and barrel length affect MAX powder loads? 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. I only know a couple High Power shooters and both of those guys are using the 308WIN. 223 Remington (AR-15) 0000010692 00000 n I have this info somewhere....I remember reading about it and actually looking at a chart. Tikka T3 223 1-8 load data Sierra TMK 77 grain. The colt hbar is supposed to have .100" longer lead before the rifling. I want any and ALL suggestions and comments. I have had great success with the 69 grain SMK and the 80 grain Berger VLD. Paste as plain text instead, × Over the years the lots of Varget have varied so testing with a chrony is always a good idea. COL was 2.260. 0000024047 00000 n I was impressed with his ability. Not sure how all that might compare with the 77 gr Match Kings. You also want a harder/thicker primer such as Rem 7-1/2, CCI Br-4 or 41 or any brand Magnum primer.

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