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BIGGDAWG

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Reply with quote  #26 
here is my test data from my 1-10 twist barrel temps were around 80 and sunny

for me i used quick load to come up with a max load that is the 4th set in each string, then the last one is .3 over, i was doing .5 grain steps because i wanted to find max and gather data.  for the most part quickload was pretty close. the 4th set was max on most and as you can see lost a few primers.







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BIGGDAWG

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Reply with quote  #27 
here is the 70 tnt data from today

the gun is shooting well was ejecting perfectly with bolt lockback on all rounds fired.

need to redo the n530 test because i started too high.

[70%20tnt%20results_zpsk4jnrjua]
[20160905_172130_zpsbbmn3x0r]
[20160905_172022_zpstq0z0rll]
[20160905_171820_zps1lhsoajp]
[70%20tnt%20N530_zpss8ku0hxg]
[70%20tnt%20H322_zpsbunbwb08]
[70%20tnt%20benchmark_zpscpjppml9]
[70%20tnt%20Arcomp_zpsozvwqoro]
[70tnt%201200r_zpsdbogaeda]


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kdbarker

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Reply with quote  #28 
Some data with the 70grTNT through my 18" 1-8 twist barrel using IMR8208 and Benchmark (added to the "data sheet").

I'm currently using the 70grTNT with 27gr of Benchmark and CCI SRP BR-4 primers as one of my pet loads for shooting 100 yard 6X5 target challenges (see target below) and will try them soon at 300 yards.

70grTNT 8208 vs Benchmark.JPG   



70grTNT with 27gr of Benchmark and CCI SRP BR-4 primers.

Elfster 6X5 score 9-17-16 Mongoose.jpg 


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northern shooter

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Reply with quote  #29 
I have a few lbs of Benchmark and a few hundred 70TNT.From Big Dawg's and kdBarker's load info. this seems like good combo.I'll start at 26.0grs and set up.Once it's running good and broke in I plan to try Benchmark with some 80TTSX's.I have a all the parts MDWS upper and a billet lower,CTC trigger or 2 stage Geiselle,and a carbon fiber hand guard.A 18" 1-9 and 6mm Mongoose door cover,dies and etc. coming.
    Has any one tried Benchmark with 80 TTSX's?I hope to get a load with the 70 TNT @ around 2,950fps (where kdBarker is running out of his 18")and if I can get a 80TTSX load accurate around 2,800fps,they would be very close to the same trajectory well past my hunting range.Mag swap from varmints/targets to deer/ hogs,perfect.
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jwtharpe

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Reply with quote  #30 
Quote:
Originally Posted by northern shooter
I have a few lbs of Benchmark and a few hundred 70TNT.From Big Dawg's and kdBarker's load info. this seems like good combo.I'll start at 26.0grs and set up.Once it's running good and broke in I plan to try Benchmark with some 80TTSX's.I have a all the parts MDWS upper and a billet lower,CTC trigger or 2 stage Geiselle,and a carbon fiber hand guard.A 18" 1-9 and 6mm Mongoose door cover,dies and etc. coming.
    Has any one tried Benchmark with 80 TTSX's?I hope to get a load with the 70 TNT @ around 2,950fps (where kdBarker is running out of his 18")and if I can get a 80TTSX load accurate around 2,800fps,they would be very close to the same trajectory well past my hunting range.Mag swap from varmints/targets to deer/ hogs,perfect.


I dont think anyone has tried benchmark with thr 80ttsx. It will be a good powder for them for sure. You wont have any trouble reaching 2800 with them. I ran them over 3000 from a 20" barrel with 335. The 80ttsx is one of the bullets that the chamber was designed around. 
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northern shooter

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Reply with quote  #31 
Thanks JW.Would I be better off using H335?I have both.
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jwtharpe

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Reply with quote  #32 
Quote:
Originally Posted by northern shooter
Thanks JW.Would I be better off using H335?I have both.

I believe Benchmark will be better for accuracy, 335 better for speed. I like them both. Test them and decide which you like the best. Tough choices. 

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kdbarker

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Reply with quote  #33 
Some data with the 105gr Nosler Custom Comp through my 18" 1-8 twist barrel using IMR8208 (added to the "data sheet").


 105gr IMR8208 data.JPG 

10-10-16 Mongoose 105NCC IMR8208 01.jpg 


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kdbarker

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Reply with quote  #34 
Some data with the 105gr Nosler Custom Comp through my 18" 1-8 twist barrel using IMR8208 (added to the "data sheet").

Going to work my way back to the lighter bullets. My little 18" barrel seems to like the 55gr-85gr. It seems like as soon as I try to go 95gr or above my accuracy suffers.

105gr BLC2 data.JPG 

10-11-16 Mongoose 105NCC BLC2 02.jpg 


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Dogtired

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Reply with quote  #35 
Anyone try Leverevolution for this? I thought I saw people loading it for the 223. I know it's optimized for the 30-30 but it's got a few off-label uses that seen pretty decent, and IIRC, it's fairly temperature insensitive.
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RedRaider

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Reply with quote  #36 
Shot in Jal NM Elev. 3232. 8/19/17
20" SS bbl. 8T ALL LC brass.
FF = fire formed
VB = virgin brass
3ea
1200R. 70 Nos VG. Magtech primers
26.0 FF 3182,3236,3219. Avg 3212
26.3 FF 3229,3228,3255 avg 3237 MAX
26.6 FF 3280,3247,3266 avg 3264

335 55 Nos shots. VB magtech primer. FF S&B
28.2 VB 3445,3406,3397 avg 3416
28.2 FF 3487,3452,3410 avg 3449
28.4 VB 3471,3473,3450 avg 3464
28.4 FF 3411,3434,3446 avg 3430
28.6 VB 3477,3495,3465 avg 3479
28.6 FF 3440,3463,3459 avg 3454 looks like this is
28.8 VB 3516,3491,3509 avg 3505. MAX
28.8 FF 3486,3518,3471 avg 3491 very light crater
29.0 VB 3367,3367,3386 avg 3373
29.0 FF 3401,error,3435 avg 3418 very light crater
29.2 VB 3576,3586,3602 avg 3588
29.2 FF error,3593,3617 avg 3605 very light crater

335 95 fusion(pulls) VB magtech FF S&B primer
25.5 FF 2798,2799,2821avg 2806
25.5 VB 2813,2880,2760 avg 2817
25.7 FF 2829,2829,2848 avg 2835
25.7 VB 2805,2773,2793 avg 2790
25.9 FF 2868,2914,error avg 2891
25.9 VB 2769,2808,2783 avg 2786
26.2 FF 2841,2851,2846 avg 2846
26.2 VB 2788,2779,2768 avg 2778

335 70 Nos VG. S&B
25.0 FF 2960,2968,2948 avg 2958
25.5 FF 2990,2996,3020 avg 3002
26.0 FF 3069,3054,3050 avg 3057
26.5 FF 3111,3113,3089 avg 3103
27.0 FF 3168,3211,3221 avg 3200 MAX light ejection mark

Blc2 95 fusion(pulls) FF S&B
26.5 FF 2617,2645,2622 avg 2628
26.8 FF 2687,2693,2663 avg 2681
27.0 FF 2695,2686,2693 avg 2691 MAX
27.2 FF 2727,2733,2727 avg 2729CRATER/SWIPE
27.4 FF 2736,2739,2736 avg 2737CRATER/SWIPE

Only loads that didn't have FTF issues along with the blc2 70 Nos VG. Still have to work on gun dealing with that issue.

Blc2. 70 Nos VG. Magtech primers
28.0 FF 2901,2921,2911 avg 2911
28.5 FF 2967,2945,2957 avg 2956
29.0 FF 3041,3056,3012 avg 3036
29.4 FF 3095,3076,3083 avg 3084 MAX FAINT EJECTION MARKS

Blc2 Nos 55 shots VB magtech FF S&B
28.2 FF 3025, error,2986 avg 3005
28.2 VB 2996,3000,2976 avg 2990
28.4 FF 3084,3069,3036 avg 3063
28.4 VB 3076,3033,3043 avg 3050
28.6 FF 3220,3232, error avg 3226
28.6 VB 3145,3176,3136 avg 3153
28.8 FF 3143, error,3083 avg 3108
28.8 VB 3071,error,3098 avg 3084
29.0 FF 3131,3078, error avg 3104
29.0 VB 3132,3150,error avg 3141
Zero pressure signs on this loading, will load higher
MAX LOADS ARE FOR THIS BBL YMMV.
Now to get this FTF issues fixed.
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RIGGS68

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Reply with quote  #37 
Quote:
Originally Posted by RedRaider
Now to get this FTF issues fixed.


I had some feeding issues early on in load development. I found that my best reliability came from SS ASC magazines and Magpul M3s. (Virgin loadings only) I experienced some malfunctions using Gen 2 Pmags and have since discontinued using them for fireforming brass. Using M3s and the ASC SS mags I have not had any feeding concerns. Thank you for posting your results.
 
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RedRaider

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Reply with quote  #38 
I used a hex mag on this trip and had terrible results. Will try something else on next range visit in a day or two and see how it goes. Thanks for the input Riggs68.
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ussrangersm3

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Reply with quote  #39 
Looking for a little confirmation and or suggestions: I am looking to load 90 and 55 grain ballistic tip Nosler. After quite a few hours of research and writing down a ton of numbers from this thread(thanks by the way to the awesome contributing members) this is my plan:

55g Nosler ballistic tip-
hodgdon 322/ load work up between 27.5 thru 29.5
Cci small primer 450
Lake City brass
Oal- yet-to-be-determined

90g Nosler ballistic tip-
I would like to use Hodgdon 322 but unsure of starting point(24.5-26.5?)
Cci small primer 450
Lake City brass
Oal- yet-to-be-determined

20" 1/8twist



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RedRaider

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Reply with quote  #40 
20”ss 8t. All FF brass S&B primers
Shot in Tupelo MS evel. 210. temp 35-40 degrees

Benchmark w/95 Fusion pulls
24.5 2708,2667,2653 avg 2676. No pressure
25.0. 2721,2731,2710. 2702 Near MAX
25.5. 2741, 2749,2753. 2747.7 3 blown primers
26.0. 2783,2788,err. 2763. Swipes
26.3. 2807,2808,2806. 2807. Swipes
26.0 had best group but over max for my bbl

BM w/70VG
25.0. Cold no chrono readings. No pressure
25.5. 2840,2843,2864. Avg. 2849 No press
26. 2943,2920,2950. 2937. No press
26.5. 2983,3025,3018. 3008. No press
27.0. 3045,3059,3090. 3064. No press
27.5. 3096,3116,3121. 3111. No press
28.0 3141,3159,3151. 3150. MAX
25.5 two touching/ 1 pulled .75”
27.0 two touching /1pulled hard 1.5”

BM w/95 SST
24.5c 2635,2634,2602. 2623. No press
25.0c 2613,2647,2662. 2640. No press
25.5c 2680,2695,2696. 2690. Slightly flat near Max
26.0c 2737,2739,2755. 2743. Swipes over max
26.0 less than 1” grp @ 100yds but over max loading
Not the velocity I was hoping for with this powder. Still have 3031,414,LR,SWB,1680,cfe223,reloader7,322,2200,2000mr data coming

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jpeg image.jpg (1.36 MB, 2 views)

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RIGGS68

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Reply with quote  #41 
RedRaider,

What was the root cause of your FTF issue? Additionally, what are the COALs used in the above loadings?

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RedRaider

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Reply with quote  #42 
1680 w/55 shots. FF brass S&B primers
Loaded 15-18 the first time trying this. Loaded 19-21 1ea for press,velocity, function
19-20 no chrono reading to cold
20.5. 2877 NBHO
21. 2980 NBHO. NO PRESSURE SIGNS will try higher loading

SWB w/55shots. FF brass s&b primers 2.10”
1 ea for press,vel, function
20.0 2683 bho
21.0. 2870 bho
22.0. 3100 bho
22.5 3194 bho. No press signs —will load higher w/3-5 rnds for grouping at later date

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RedRaider

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Reply with quote  #43 
Opened up port and all has worked well. The 95 fusion & SST’s are 2.26” The 70 VG’s were 2.245”. The 55 shots are loaded to 2.10” It has ran great with all loadings just needed a little more gas. Shot several hundred rounds and had one partial fte due to mag, so one hiccup compared to a single shot b4 opening port -all is gtg
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RangerJoe

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Reply with quote  #44 
Red: This data is likely embedded somewhere above, but could be helpful to have in one post...  what size did you open the port to?  I think you're working with a 20" AR barrel 1:8 twist and mid-length gas system?  Thanks!
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wikster1983

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Reply with quote  #45 
I thought the 20" was rifle length? I think thats what mine is.
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RedRaider

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Reply with quote  #46 
It’s a rifle length gas I can’t find or knocked the drill bit off my bench it was the smallest one I had and it was just a shade bigger and I mean almost fit inside
the port. I didn’t get around to measure it, just drilled, cleaned and shot it to see if it helped or if I needed to go bigger (didn’t need too). I’m packed up headed back to West Texas for work will let you know when I get settled in and find time to measure
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RedRaider

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Reply with quote  #47 
CFE223 data
All FF brass S&B primers 3 ea
95 fusions. Oal 2.26”
25.5 2486,2505,2497. Avg 2496 best group no press
26.0 2518,2562,2562. 2547. No press
26.5 2579,2589,2605. 2591. No press
27.0 2615,2615,2642. 2624 slight flat
27.5 2712,2694,2682. 2696 slight flat MAX
28.0 2708,2698,2737. 2714. Flat

70 Nos VG. Oal 2.245”
27.0.2676,2663,2722. 2687 no press -All Loads
27.5 2732,2721,2741. 2731
28.0 2772,2778,2795. 2781
28.5 2844,2836,2870. 2850 calling this MAX
28.8 2851,2873,2832. 2852 slight flat
NOT THE BEST SPEED. Other powders are better
Best group was with 27.0 <.75”@100yds

55 Shots. Oal 2.11”
27.5 2804,2751,2757. 2770 No press- All loads
28.0 2821,2854,2829. 2834
28.5 2900,2914,2857. 2890
29.0 2934,2980,3055. 2989
Best group 27.5 .5”@100yds
Overall cfe223 turns out good accuracy just not enough velocity
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RedRaider

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Reply with quote  #48 
Leverevolution All FF brass S&B primers

95 fusion 2.26”
26.0 2555,2559,2561. 2558. No press
26.5 2641,2627,2640. 2636. No press
27.0 2683 BHO. 1 ea for function, press, velocity
27.5 2719 BHO
28.0 2786 BHO. Slight flat
Decent velocity will try again w/3-5 shot groups 27-28.0 gr. Grouping not bad

55 shot. Oal 2.10”. 1 ea for function, press, velocity
27.0 2867. No Pressure on all loads
27.5 2820
28.0 err. Cold chrono malfunction
28.5. Same as above
29.0 same
Will try again with warmer weather. Not a speed demon.

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RedRaider

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Reply with quote  #49 
322. All FF brass S&b primers
55 shots. 2.10”
27.5. 3185,3201,3218. 3201 no pressure
28.0. 3272,3287,3331. 3296 no press
28.5. 3347,3360,3368. 3358 no press
Best group was 27.5. 3 touching.


95 Fusion. 2.26”
23.5. 2564,2514,2542. 2540
24.0lc. 2611,2627,2632. 2623. Calling this MAX
24.5c err,2627,err. Light swipes. Over max
24.0 best group 1”@100yds

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MDWS

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Reply with quote  #50 
Nice work Red thanks!


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