Do I need a 243/6mm or 6.5mm?

I think you guys contradict each other on purpose! If only to give me more options

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ScreaminEagle":b3ttduxg said:
I think you guys contradict each other on purpose! If only to give me more options

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Click to expand...

I think it comes from us dreaming of doing the same thing SE.. Really, every single one of the cartridges you mentioned were top shelf. It is like asking what your favor flavor of ice cream is! :lol:

The 6.5x284 is really cool as well. I figure if it's a long action, I like LA cartridges. Again, it is just a mind gap I jump through. I do really enjoy the 6.5's though. The smaller ones (smaller than 264 Win Mag's) are really pretty sweet cartridges. Very good ballistics and easy on the shooter.
 
But you have to like our logic. We all are pushing towards a 6.5 which ever casing you choose to use is up to you. I still like the 6.5-06 which can duplicate the 6.5-284 but with throat erosion. :mrgreen:
 
Scotty, if it were a short action i wouldnt be asking what i should do. Hands down, it would be the 6.5-47 lapua!

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ScreaminEagle":1k1nepvv said:
Scotty, if it were a short action i wouldnt be asking what i should do. Hands down, it would be the 6.5-47 lapua!

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Click to expand...

Take a look at the 6.5 Swede SE. Lapua makes brass and it is usually their least expensive brass across the board. Something to think about since it is nice to have great brass available for a great rifle. Plus, a long action Swede would give you alot of horsepower..
 
SJB358":20c7h7t5 said:
ScreaminEagle":20c7h7t5 said:
Scotty, if it were a short action i wouldnt be asking what i should do. Hands down, it would be the 6.5-47 lapua!

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Click to expand...

Take a look at the 6.5 Swede SE. Lapua makes brass and it is usually their least expensive brass across the board. Something to think about since it is nice to have great brass available for a great rifle. Plus, a long action Swede would give you alot of horsepower..
Click to expand...

Good points all, Steve.
 
While trying to compare the 6.5 swede and 6.5-06 i made an amazing discovery! The 6.5 gibbs! I think i'm in love!

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Just a thought Steve.

SPS has Swede brass $30/50



Cartridge : 6.5 x 55 Swedish
Bullet : .264, 125, Nosler PART SP 16320
Useable Case Capaci: 54.421 grain H2O = 3.533 cm³
Cartridge O.A.L. L6: 3.150 inch = 80.01 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : IMR 7828 SSC

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-10.0 95 48.69 2718 2050 44253 12462 92.0 1.238
-09.0 96 49.23 2752 2102 45845 12634 92.7 1.217
-08.0 97 49.77 2787 2155 47501 12802 93.3 1.196
-07.0 98 50.31 2821 2209 49222 12964 93.9 1.176
-06.0 99 50.85 2856 2264 51009 13121 94.5 1.157
-05.0 100 51.40 2891 2320 52876 13273 95.0 1.137
-04.0 101 51.94 2926 2376 54804 13419 95.6 1.118
-03.0 102 52.48 2961 2433 56837 13559 96.1 1.099 ! Near Maximum !
-02.0 103 53.02 2996 2491 58944 13693 96.5 1.081 ! Near Maximum !
-01.0 104 53.56 3031 2550 61140 13820 97.0 1.063 ! Near Maximum !
+00.0 105 54.10 3066 2609 63428 13940 97.4 1.045 ! Near Maximum !
+01.0 106 54.64 3101 2669 65817 14054 97.8 1.027 !DANGEROUS LOAD-DO NOT USE!
+02.0 107 55.18 3136 2730 68313 14160 98.1 1.010 !DANGEROUS LOAD-DO NOT USE!
+03.0 108 55.72 3172 2792 70916 14258 98.5 0.993 !DANGEROUS LOAD-DO NOT USE!
+04.0 109 56.26 3207 2854 73633 14349 98.8 0.976 !DANGEROUS LOAD-DO NOT USE!
+05.0 110 56.81 3242 2918 76483 14431 99.0 0.960 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 105 54.10 3233 2902 77393 13731 100.0 0.961 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 105 54.10 2843 2243 51342 13271 89.8 1.152

Cartridge : 6.5 x 55 Swedish
Bullet : .264, 130, Nosler AccuBond 56902
Useable Case Capaci: 52.511 grain H2O = 3.409 cm³
Cartridge O.A.L. L6: 3.150 inch = 80.01 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : IMR 4350

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-20.0 79 38.00 2330 1567 33850 9404 91.4 1.445
-18.0 81 38.95 2385 1642 36021 9690 92.5 1.412
-16.0 83 39.90 2440 1719 38316 9968 93.5 1.371
-14.0 85 40.85 2496 1798 40749 10237 94.5 1.331
-12.0 87 41.80 2551 1878 43331 10495 95.4 1.293
-10.0 89 42.75 2606 1960 46069 10741 96.2 1.256
-08.0 91 43.70 2661 2043 48974 10976 97.0 1.220
-06.0 93 44.65 2715 2128 52058 11198 97.6 1.186
-04.0 95 45.60 2770 2215 55332 11405 98.2 1.152 ! Near Maximum !
-02.0 97 46.55 2824 2302 58811 11598 98.7 1.120 ! Near Maximum !
+00.0 99 47.50 2878 2392 62508 11775 99.1 1.090 ! Near Maximum !
+02.0 101 48.45 2932 2482 66441 11935 99.5 1.060 !DANGEROUS LOAD-DO NOT USE!
+04.0 103 49.40 2986 2573 70627 12078 99.7 1.031 !DANGEROUS LOAD-DO NOT USE!
+06.0 105 50.35 3039 2666 75087 12203 99.9 1.004 !DANGEROUS LOAD-DO NOT USE!
+08.0 107 51.30 3092 2760 79843 12309 100.0 0.977 !DANGEROUS LOAD-DO NOT USE!
+10.0 109 52.25 3145 2854 84920 12397 100.0 0.951 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 99 47.50 2991 2582 73135 11461 100.0 1.018 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 99 47.50 2723 2140 52030 11568 94.5 1.183


Cartridge : 6.5 x 55 Swedish
Bullet : .264, 130, Nosler AccuBond 56902
Useable Case Capaci: 52.511 grain H2O = 3.409 cm³
Cartridge O.A.L. L6: 3.150 inch = 80.01 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : IMR 7828 SSC

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-20.0 84 41.76 2327 1564 31037 10227 84.7 1.477
-18.0 86 42.80 2392 1651 33242 10617 86.3 1.435
-16.0 88 43.85 2457 1742 35615 10998 87.9 1.395
-14.0 90 44.89 2522 1836 38169 11369 89.4 1.353
-12.0 92 45.94 2588 1934 40921 11726 90.9 1.307
-10.0 94 46.98 2655 2035 43891 12068 92.2 1.264
-08.0 97 48.02 2722 2139 47096 12394 93.5 1.222
-06.0 99 49.07 2790 2246 50564 12700 94.6 1.182
-04.0 101 50.11 2857 2357 54319 12985 95.7 1.143
-02.0 103 51.16 2925 2470 58391 13248 96.6 1.105 ! Near Maximum !
+00.0 105 52.20 2994 2587 62815 13485 97.5 1.068 ! Near Maximum !
+02.0 107 53.24 3062 2706 67629 13695 98.2 1.033 !DANGEROUS LOAD-DO NOT USE!
+04.0 109 54.29 3130 2829 72880 13875 98.8 0.999 !DANGEROUS LOAD-DO NOT USE!
+06.0 111 55.33 3199 2954 78617 14025 99.3 0.966 !DANGEROUS LOAD-DO NOT USE!
+08.0 113 56.38 3267 3081 84911 14142 99.7 0.934 !DANGEROUS LOAD-DO NOT USE!
+10.0 115 57.42 3336 3212 91820 14224 99.9 0.902 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 105 52.20 3156 2875 76603 13261 100.0 0.983 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 105 52.20 2776 2225 50863 12856 89.9 1.177



Cartridge : 6.5 x 55 Swedish
Bullet : .264, 140, Nosler AccuBond 39457
Useable Case Capaci: 51.841 grain H2O = 3.366 cm³
Cartridge O.A.L. L6: 3.150 inch = 80.01 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : IMR 4350

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-20.0 78 37.20 2269 1600 34590 9402 92.9 1.482
-18.0 80 38.13 2321 1675 36783 9677 93.9 1.446
-16.0 82 39.06 2374 1753 39107 9942 94.9 1.404
-14.0 84 39.99 2427 1831 41569 10198 95.7 1.363
-12.0 86 40.92 2480 1912 44176 10442 96.5 1.324
-10.0 88 41.85 2532 1994 46939 10675 97.2 1.287
-08.0 90 42.78 2585 2077 49867 10894 97.9 1.250
-06.0 92 43.71 2637 2161 52971 11101 98.4 1.215
-04.0 94 44.64 2689 2247 56263 11293 98.9 1.182 ! Near Maximum !
-02.0 96 45.57 2740 2334 59755 11469 99.3 1.150 ! Near Maximum !
+00.0 98 46.50 2792 2423 63463 11629 99.6 1.119 ! Near Maximum !
+02.0 100 47.43 2843 2512 67401 11773 99.8 1.088 !DANGEROUS LOAD-DO NOT USE!
+04.0 102 48.36 2893 2602 71588 11900 99.9 1.059 !DANGEROUS LOAD-DO NOT USE!
+06.0 104 49.29 2944 2694 76043 12008 100.0 1.031 !DANGEROUS LOAD-DO NOT USE!
+08.0 106 50.22 2994 2786 80786 12102 100.0 1.004 !DANGEROUS LOAD-DO NOT USE!
+10.0 108 51.15 3043 2879 85843 12193 100.0 0.978 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 98 46.50 2893 2602 74090 11262 100.0 1.046 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 98 46.50 2647 2179 52938 11537 95.6 1.213


Cartridge : 6.5 x 55 Swedish
Bullet : .264, 140, Nosler AccuBond 39457
Useable Case Capaci: 51.841 grain H2O = 3.366 cm³
Cartridge O.A.L. L6: 3.150 inch = 80.01 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : IMR 7828 SSC

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms

-20.0 83 40.80 2270 1602 31584 10301 86.7 1.515
-18.0 85 41.82 2332 1691 33814 10677 88.3 1.473
-16.0 87 42.84 2394 1782 36209 11043 89.8 1.431
-14.0 89 43.86 2457 1877 38783 11396 91.2 1.386
-12.0 91 44.88 2520 1975 41551 11735 92.5 1.341
-10.0 94 45.90 2584 2076 44539 12059 93.7 1.297
-08.0 96 46.92 2648 2179 47760 12364 94.8 1.254
-06.0 98 47.94 2712 2286 51236 12650 95.9 1.213
-04.0 100 48.96 2776 2396 54993 12914 96.8 1.174
-02.0 102 49.98 2840 2508 59064 13154 97.6 1.135 ! Near Maximum !
+00.0 104 51.00 2905 2623 63476 13369 98.3 1.098 ! Near Maximum !
+02.0 106 52.02 2969 2741 68271 13557 98.9 1.063 !DANGEROUS LOAD-DO NOT USE!
+04.0 108 53.04 3034 2861 73488 13716 99.3 1.028 !DANGEROUS LOAD-DO NOT USE!
+06.0 110 54.06 3098 2984 79180 13844 99.7 0.995 !DANGEROUS LOAD-DO NOT USE!
+08.0 112 55.08 3162 3109 85402 13939 99.9 0.963 !DANGEROUS LOAD-DO NOT USE!
+10.0 114 56.10 3227 3236 92222 14001 100.0 0.931 !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 104 51.00 3053 2898 77483 13012 100.0 1.012 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 104 51.00 2702 2269 51349 12888 91.5 1.209
 
The Gibbs is sweet but you will have additional costs and time fireforming the whole 9 yards. I want to say the 6.5-280AI has about the same case capacity as the Gibbs.
 
I have run the data on the 6.5 Swede a bunch of times and everytime I am very impressed with that cartridge. One of the fellows just did an NRA gunsmith class and built a 6.5 Swede Ackley Improved. Really neat round, but again, the fireforming part of it is a pain for me. Same would go for the 6.5 Gibb's.

Talk to RidgeRunner about the Gibb's. He has one and has some great thoughts on his. It is ultra accurate and shoots really well.

Either way, you can't go wrong, they are all awesome cartridges.
 
The Gibbs cartridges are interesting, to be sure. The older I get, the less I enjoy fiddling to fireform or take extra steps to prep brass. Still, it is a fine cartridge.
 
DrMike":3plpckg0 said:
gerry":3plpckg0 said:
Yep, his LSS 280 Rem is the best gun he has ;) :lol:
Click to expand...

It is a good one, but I don't say that publicly very often. :grin:
Click to expand...


As Col. Whelen stated, "Only accurate rifles are interesting." Your Remington is accurate so therefore I find it interesting.

Vince
 
Maybe you should get Fotis' specs for that hand howitzer he had made up and neck that thing down? :lol: :lol: :lol: :lol: :lol:
 
Well ive done some research and i think ive made my decision. And the winners is...........

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6.5-55 swede. Built on a win 70 la. My first model 70. My remmys are gonna be jealous!

Sent from my SCH-S738C using Tapatalk
 
Good choice. Solid performer that will stand you in good stead for most of NA. Good move.
 
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