Powder choice for shorter barrel

S

Slimfinn

Handloader
Nov 28, 2018
986
893
Just curious, if there is a rule of thumb. If you had a shorter barrel (16-18") would you lean towards a faster burning powder that is listed for your particular round to get the most velocity and more complete powder burn or will it just depend on powder to powder and the pressure curves?

I have the 260 of my daughter's and will be working up a new load for either a 125 PT or 121Etip most likely, and knowing I will be well below listed velocities from the book it just got me thinking about it.
 
I'd tend to the faster powders.
Muzzle flash is usually reduced and you get more speed for recoil.


Gesendet von meinem Pixel 3a XL mit Tapatalk
 
to me barrel length does not affect powder choice . the powder that gives top velocity in a standard length bbl , will usually give top velocity in a shorter bbl .
 
here are the powder charts from quickload . it shows RL26 as giving top velocities at both bbl lengths . I used 16" bbl as that is the shortest one you asked about . I also used a 25"bbl , that's what's on my grandsons rifle . you can see RL26 is top velocity at both bbl lengths



these would be considered MAX loads .


16 inch
Cartridge : .260 Rem
Bullet : .264, 125, Nosler PART SP 16320
Useable Case Capaci: 47.960 grain H2O = 3.114 cm³
Cartridge O.A.L. L6: 2.800 inch = 71.12 mm
Barrel Length : 16.0 inch = 406.4 mm

Predicted Data for Indicated Charges of the Following Powders.
Matching Maximum Pressure: 60190 psi, or 414 MPa
or a maximum loading ratio or filling of 115 %
These calculations refer to your specified settings in QuickLOAD 'Cartridge Dimensions' window.
C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested
loads or exceeds maximum suggested loads as presented in current handloading manuals. Understand
that all of the listed powders can be unsuitable for the given combination of cartridge, bullet
and gun. Actual load order can vary, depending upon lot-to-lot powder and component variations.
USE ONLY FOR COMPARISON !

Powder type Filling/Loading Ratio Charge Charge Vel. Prop.Burnt P max P muzz B_Time
% Grains Gramm fps % psi psi ms
--------------------------------- -----------------------------------------------------------------
Alliant Reloder-26 *C 108.3 51.4 3.33 2794 98.1 60190 18649 0.897 !DANGEROUS LOAD-DO NOT USE!
ReloadSwiss RS 60 *T 98.6 45.7 2.96 2763 100.0 60190 16961 0.892 !DANGEROUS LOAD-DO NOT USE!
Norma MRP *C 108.8 50.2 3.25 2758 95.4 60190 18107 0.896 !DANGEROUS LOAD-DO NOT USE!
ReloadSwiss RS 70 *C 101.4 47.7 3.09 2742 97.8 60190 17300 0.892 !DANGEROUS LOAD-DO NOT USE!
Alliant Reloder-17 *T 97.7 45.3 2.93 2741 99.7 60190 16774 0.897 !DANGEROUS LOAD-DO NOT USE!
Elcho 17 97.7 45.3 2.93 2741 99.7 60190 16774 0.897 !DANGEROUS LOAD-DO NOT USE!
Alliant Reloder-23 *C *T 113.1 48.9 3.17 2738 99.6 60190 16795 0.899 !DANGEROUS LOAD-DO NOT USE!
Bofors RP36 ZT *C *T 113.1 48.9 3.17 2738 99.6 60190 16795 0.899 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N560 *C 110.4 49.8 3.23 2733 91.0 60190 17832 0.895 !DANGEROUS LOAD-DO NOT USE!
ReloadSwiss RS 76 *C 115.0 54.7 3.55 2733 93.9 58003 19020 0.904 ! Near Maximum !
Alliant Reloder-16 *C *T 102.6 44.2 2.86 2728 98.8 60190 16626 0.892 !DANGEROUS LOAD-DO NOT USE!
Bofors RL16 TZ *C *T 102.6 44.2 2.86 2728 98.8 60190 16626 0.892 !DANGEROUS LOAD-DO NOT USE!
Bofors RP5/NP ~approximation 110.7 49.5 3.21 2726 93.7 60190 17506 0.898 !DANGEROUS LOAD-DO NOT USE!
Alliant Reloder-22 *C 110.7 49.5 3.21 2726 93.7 60190 17506 0.898 !DANGEROUS LOAD-DO NOT USE!
Raufoss RA15 *C 110.7 49.5 3.21 2726 93.7 60190 17506 0.898 !DANGEROUS LOAD-DO NOT USE!
Winchester WXR 113.7 49.7 3.22 2724 93.5 60190 17494 0.899 !DANGEROUS LOAD-DO NOT USE!
Bofors RP15 113.7 49.7 3.22 2724 93.5 60190 17494 0.899 !DANGEROUS LOAD-DO NOT USE!
Somchem S365 104.8 46.1 2.99 2723 100.0 60190 16172 0.907 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N555 *C*T 109.9 47.6 3.09 2722 98.8 60190 17001 0.920 !DANGEROUS LOAD-DO NOT USE!
Accurate MAGPRO 110.7 52.0 3.37 2721 88.9 60190 17728 0.898 !DANGEROUS LOAD-DO NOT USE!
SNPE Vectan SP 12 112.4 53.1 3.44 2713 91.5 60190 17505 0.888 !DANGEROUS LOAD-DO NOT USE!
IMR 7828 SSC 108.4 49.2 3.19 2713 91.3 60190 17264 0.889 !DANGEROUS LOAD-DO NOT USE!
IMR 7828 114.6 49.2 3.19 2713 91.3 60190 17264 0.889 !DANGEROUS LOAD-DO NOT USE!
PB Clermont PCL 517 112.6 53.1 3.44 2712 91.4 60190 17510 0.888 !DANGEROUS LOAD-DO NOT USE!
ReloadSwiss RS 62 101.2 46.9 3.04 2707 98.1 60190 16691 0.913 !DANGEROUS LOAD-DO NOT USE!
ADI AR 2213 109.2 48.8 3.16 2698 91.1 60190 16984 0.889 !DANGEROUS LOAD-DO NOT USE!
PB Clermont PCL 518 103.2 47.1 3.05 2698 96.3 60190 16642 0.902 !DANGEROUS LOAD-DO NOT USE!
PB Clermont PCL 511 99.1 46.7 3.02 2697 96.7 60190 16594 0.903 !DANGEROUS LOAD-DO NOT USE!
Alliant Reloder-25 *C 115.0 50.6 3.28 2696 96.6 56503 17591 0.919 ! Near Maximum !
Ramshot Hunter 102.4 46.7 3.03 2696 96.7 60190 16571 0.903 !DANGEROUS LOAD-DO NOT USE!
Ramshot Magnum 109.8 52.9 3.43 2696 94.0 60190 16802 0.891 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N565 *C 115.0 52.2 3.38 2694 90.8 58259 17599 0.921 ! Near Maximum !
Winchester 760 96.6 45.2 2.93 2689 95.8 60190 16506 0.906 !DANGEROUS LOAD-DO NOT USE!
Hodgdon H414 96.6 45.2 2.93 2689 95.8 60190 16506 0.906 !DANGEROUS LOAD-DO NOT USE!
Rottweil R905 111.7 49.0 3.18 2689 91.1 60190 16747 0.898 !DANGEROUS LOAD-DO NOT USE!
Alliant Reloder-19 *C 106.9 47.3 3.06 2687 93.7 60190 16594 0.898 !DANGEROUS LOAD-DO NOT USE!
Norma URP *C 101.9 44.6 2.89 2686 98.3 60190 16179 0.909 !DANGEROUS LOAD-DO NOT USE!
Bofors RP19 ~approximation 101.9 44.6 2.89 2686 98.3 60190 16174 0.909 !DANGEROUS LOAD-DO NOT USE!
ADI AR 2209 106.0 46.6 3.02 2685 93.4 60190 16441 0.892 !DANGEROUS LOAD-DO NOT USE!
Accurate 4350 101.3 44.8 2.90 2683 98.3 60190 16260 0.925 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N550 *C 98.9 44.7 2.89 2682 98.2 60190 16280 0.914 !DANGEROUS LOAD-DO NOT USE!
Bofors RP14 ~approximation 107.6 47.6 3.08 2681 93.7 60190 16469 0.898 !DANGEROUS LOAD-DO NOT USE!
Hodgdon LVR 99.2 43.9 2.84 2680 97.8 60190 16047 0.906 !DANGEROUS LOAD-DO NOT USE!
ADI AP 2214 112.9 51.8 3.36 2674 90.7 60190 16711 0.888 !DANGEROUS LOAD-DO NOT USE!
IMR 4831 106.9 45.3 2.93 2672 98.5 60190 15919 0.917 !DANGEROUS LOAD-DO NOT USE!
Hodgdon Hybrid 100V 104.6 44.8 2.90 2667 99.5 60190 15237 0.906 !DANGEROUS LOAD-DO NOT USE!
Bofors RP4 ~approximation 104.5 46.2 2.99 2666 93.4 60190 16115 0.898 !DANGEROUS LOAD-DO NOT USE!
Raufoss RA4 104.5 46.2 2.99 2666 93.4 60190 16115 0.898 !DANGEROUS LOAD-DO NOT USE!
Norma 204 *C 101.2 46.2 2.99 2666 93.4 60190 16115 0.898 !DANGEROUS LOAD-DO NOT USE!
Somchem S385 107.2 47.9 3.10 2660 95.0 60190 16109 0.915 !DANGEROUS LOAD-DO NOT USE!
Accurate 3100 110.7 49.0 3.17 2658 96.6 60190 16005 0.924 !DANGEROUS LOAD-DO NOT USE!
Bofors RP5 NT *C ~approximation 112.7 50.8 3.29 2658 88.2 60190 16363 0.892 !DANGEROUS LOAD-DO NOT USE!
Hodgdon H4831 *T 112.1 48.2 3.12 2654 90.7 60190 15986 0.895 !DANGEROUS LOAD-DO NOT USE!
Hodgdon H4831 SC *T 107.8 48.2 3.12 2654 90.7 60190 15986 0.895 !DANGEROUS LOAD-DO NOT USE!
Bofors RP4 NT *C ~approximation 102.1 45.8 2.97 2652 95.5 60190 15823 0.910 !DANGEROUS LOAD-DO NOT USE!
Norma 203 old 94.3 42.1 2.73 2648 99.7 60190 15254 0.928 !DANGEROUS LOAD-DO NOT USE!
Bofors RP3 94.3 42.1 2.73 2648 99.7 60190 15254 0.928 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N165 *C 112.6 49.3 3.19 2648 94.4 60190 15656 0.903 !DANGEROUS LOAD-DO NOT USE!
Winchester Supreme 780 105.1 49.0 3.18 2646 93.4 60190 15709 0.899 !DANGEROUS LOAD-DO NOT USE!
Rottweil R903 96.4 42.2 2.73 2644 99.6 60190 15156 0.928 !DANGEROUS LOAD-DO NOT USE!
Hodgdon H380 93.8 42.4 2.75 2644 98.0 60190 15477 0.918 !DANGEROUS LOAD-DO NOT USE!
Shooters World SW4350 101.2 44.2 2.87 2639 96.1 60190 15627 0.919 !DANGEROUS LOAD-DO NOT USE!
Lovex S070 101.2 44.2 2.87 2639 96.1 60190 15627 0.919 !DANGEROUS LOAD-DO NOT USE!
Somchem S355 96.4 41.7 2.70 2638 99.5 60190 15065 0.922 !DANGEROUS LOAD-DO NOT USE!
Rottweil R904 105.1 45.8 2.97 2634 92.1 60190 15562 0.901 !DANGEROUS LOAD-DO NOT USE!
Accurate 2520 87.3 40.7 2.64 2627 100.0 60190 14403 0.930 !DANGEROUS LOAD-DO NOT USE!
Shooters World Match Rifle 89.4 40.7 2.64 2627 100.0 60190 14403 0.930 !DANGEROUS LOAD-DO NOT USE!
Lovex D073.6 89.4 40.7 2.64 2627 100.0 60190 14403 0.930 !DANGEROUS LOAD-DO NOT USE!
Lovex S065 99.8 43.2 2.80 2624 97.3 60190 15184 0.919 !DANGEROUS LOAD-DO NOT USE!
Shooters World Long Rifle 99.8 43.2 2.80 2624 97.3 60190 15184 0.919 !DANGEROUS LOAD-DO NOT USE!
IMR 4955 Enduron *C*T 108.7 46.8 3.03 2623 91.3 60190 15465 0.900 !DANGEROUS LOAD-DO NOT USE!
Accurate 4064 93.9 40.6 2.63 2623 100.0 60190 14381 0.947 !DANGEROUS LOAD-DO NOT USE!
SNPE Vectan SP 7 88.5 42.0 2.72 2622 97.9 60190 14982 0.919 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N160 *C 112.2 47.6 3.08 2620 91.9 60190 15281 0.902 !DANGEROUS LOAD-DO NOT USE!
Rottweil R907 98.5 42.8 2.77 2617 95.2 60190 15188 0.914 !DANGEROUS LOAD-DO NOT USE!
Bofors RP7 98.5 42.8 2.77 2617 95.2 60190 15188 0.914 !DANGEROUS LOAD-DO NOT USE!
IMR 4007 SSC 95.4 42.8 2.77 2617 95.2 60190 15178 0.914 !DANGEROUS LOAD-DO NOT USE!
Accurate 2495 88.3 38.2 2.48 2604 100.0 60190 13799 0.952 !DANGEROUS LOAD-DO NOT USE!
Somchem S361 103.9 48.9 3.17 2603 90.9 60190 15144 0.910 !DANGEROUS LOAD-DO NOT USE!
Lovex D073.5 83.9 39.8 2.58 2601 100.0 60190 14046 0.931 !DANGEROUS LOAD-DO NOT USE!
Accurate 2460 83.7 39.8 2.58 2601 100.0 60190 14046 0.931 !DANGEROUS LOAD-DO NOT USE!
Lovex S071 115.0 48.1 3.12 2598 95.7 56030 15711 0.957 ! Near Maximum !
Rottweil R901 88.5 37.2 2.41 2590 100.0 60190 13731 0.933 !DANGEROUS LOAD-DO NOT USE!
Norma MRP 2 *C 115.0 50.8 3.29 2590 89.0 50902 17105 0.972
Bofors RP30 115.0 50.8 3.29 2590 89.0 50902 17105 0.972
ReloadSwiss RS 80 *C 115.0 55.2 3.57 2586 85.2 51316 17491 0.965 ! Near Maximum !
Vihtavuori N570 *C 115.0 53.6 3.47 2561 80.3 50270 17322 0.974
ADI AR 2217 115.0 50.3 3.26 2552 87.9 52921 15883 0.945 ! Near Maximum !
Hodgdon H1000 *T 115.0 50.3 3.26 2552 87.9 52921 15883 0.945 ! Near Maximum !
IMR 7977 Enduron *C*T 112.7 49.3 3.19 2541 81.7 60190 14152 0.902 !DANGEROUS LOAD-DO NOT USE!
Alliant Reloder-33 *C 115.0 55.2 3.57 2481 78.6 47304 16536 1.005
Lovex D100 115.0 54.7 3.55 2476 76.5 53842 14305 0.948 ! Near Maximum !
Shooters World BMG 115.0 54.7 3.55 2476 76.5 53842 14305 0.948 ! Near Maximum !
ADI AR 2225 115.0 51.1 3.31 2459 88.4 45046 16440 1.027
Hodgdon Retumbo 115.0 51.1 3.31 2459 88.4 45046 16440 1.027
Vihtavuori 24N41 *C 115.0 54.2 3.51 2422 72.0 49592 14448 0.982
Vihtavuori N170 *C 115.0 50.3 3.26 2400 79.0 46721 14352 1.028
ADI AR 2218 115.0 54.2 3.51 2398 72.5 46641 15478 1.010
Accurate LRT 115.0 54.0 3.50 2382 69.5 46331 14614 1.016
Norma 217 *C 115.0 50.1 3.24 2339 83.7 38332 15853 1.118
IMR 8133 Enduron *C*T 115.0 49.7 3.22 2330 80.9 38929 15279 1.108
Hodgdon H870 115.0 52.5 3.40 2320 76.2 39642 15167 1.098
Alliant Reloder-50 *C 115.0 55.0 3.56 2252 70.9 36294 14966 1.151
Bofors 12,7mmRA NC1214 Lot20115087 115.0 53.8 3.48 2244 65.4 37929 13944 1.150
Hodgdon 50BMG 115.0 51.6 3.34 2225 63.0 39410 12914 1.102
Hodgdon US 869 115.0 54.2 3.51 2221 66.6 39255 13012 1.106
Somchem 12.7-0 115.0 52.5 3.40 2209 63.5 41031 12113 1.082
SNPE Vectan SP 13 115.0 51.9 3.37 2159 70.2 34985 12874 1.168
Accurate 8700 115.0 53.1 3.44 2126 67.4 35322 12409 1.160
PB Clermont PCL 513/520/9520 115.0 51.9 3.37 2095 66.5 33014 12235 1.200
Vihtavuori 20N29 *C 115.0 54.7 3.55 2094 64.1 33533 12344 1.190
NC A3502 ,test only 115.0 49.7 3.22 1948 45.2 32048 8972 1.216
TLP A 502(RH) ,test only 115.0 49.7 3.22 1922 48.6 29636 9441 1.259
V1734 7-multiperf ,test only 115.0 49.7 3.22 1381 22.0 16759 4335 1.614



25""bbl

Cartridge : .260 Rem
Bullet : .264, 125, Nosler PART SP 16320
Useable Case Capaci: 47.960 grain H2O = 3.114 cm³
Cartridge O.A.L. L6: 2.800 inch = 71.12 mm
Barrel Length : 25.0 inch = 635.0 mm

Predicted Data for Indicated Charges of the Following Powders.
Matching Maximum Pressure: 60190 psi, or 414 MPa
or a maximum loading ratio or filling of 115 %
These calculations refer to your specified settings in QuickLOAD 'Cartridge Dimensions' window.
C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested
loads or exceeds maximum suggested loads as presented in current handloading manuals. Understand
that all of the listed powders can be unsuitable for the given combination of cartridge, bullet
and gun. Actual load order can vary, depending upon lot-to-lot powder and component variations.
USE ONLY FOR COMPARISON !

Powder type Filling/Loading Ratio Charge Charge Vel. Prop.Burnt P max P muzz B_Time
% Grains Gramm fps % psi psi ms
--------------------------------- -----------------------------------------------------------------
Alliant Reloder-26 *C 108.3 51.4 3.33 3142 100.0 60190 10926 1.148 !DANGEROUS LOAD-DO NOT USE!
Norma MRP *C 108.8 50.2 3.25 3104 99.0 60190 10926 1.151 !DANGEROUS LOAD-DO NOT USE!
ReloadSwiss RS 76 *C 115.0 54.7 3.55 3100 98.9 58003 11595 1.160 ! Near Maximum !
ReloadSwiss RS 60 *T 98.6 45.7 2.96 3081 100.0 60190 9752 1.147 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N560 *C 110.4 49.8 3.23 3079 96.0 60190 10981 1.152 !DANGEROUS LOAD-DO NOT USE!
ReloadSwiss RS 70 *C 101.4 47.7 3.09 3072 99.9 60190 10227 1.148 !DANGEROUS LOAD-DO NOT USE!
Accurate MAGPRO 110.7 52.0 3.37 3067 94.4 60190 10971 1.156 !DANGEROUS LOAD-DO NOT USE!
Bofors RP5/NP ~approximation 110.7 49.5 3.21 3066 97.9 60190 10665 1.156 !DANGEROUS LOAD-DO NOT USE!
Raufoss RA15 *C 110.7 49.5 3.21 3066 97.9 60190 10665 1.156 !DANGEROUS LOAD-DO NOT USE!
Alliant Reloder-22 *C 110.7 49.5 3.21 3066 97.9 60190 10665 1.156 !DANGEROUS LOAD-DO NOT USE!
Winchester WXR 113.7 49.7 3.22 3064 97.8 60190 10670 1.157 !DANGEROUS LOAD-DO NOT USE!
Bofors RP15 113.7 49.7 3.22 3064 97.8 60190 10670 1.157 !DANGEROUS LOAD-DO NOT USE!
Elcho 17 97.7 45.3 2.93 3059 100.0 60190 9695 1.154 !DANGEROUS LOAD-DO NOT USE!
Alliant Reloder-17 *T 97.7 45.3 2.93 3059 100.0 60190 9695 1.154 !DANGEROUS LOAD-DO NOT USE!
Alliant Reloder-23 *C *T 113.1 48.9 3.17 3056 100.0 60190 9691 1.157 !DANGEROUS LOAD-DO NOT USE!
Bofors RP36 ZT *C *T 113.1 48.9 3.17 3056 100.0 60190 9691 1.157 !DANGEROUS LOAD-DO NOT USE!
SNPE Vectan SP 12 112.4 53.1 3.44 3055 96.7 60190 10742 1.147 !DANGEROUS LOAD-DO NOT USE!
PB Clermont PCL 517 112.6 53.1 3.44 3055 96.6 60190 10753 1.147 !DANGEROUS LOAD-DO NOT USE!
IMR 7828 SSC 108.4 49.2 3.19 3050 96.3 60190 10580 1.148 !DANGEROUS LOAD-DO NOT USE!
IMR 7828 114.6 49.2 3.19 3050 96.3 60190 10580 1.148 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N555 *C*T 109.9 47.6 3.09 3047 100.0 60190 9859 1.179 !DANGEROUS LOAD-DO NOT USE!
Bofors RL16 TZ *C *T 102.6 44.2 2.86 3046 100.0 60190 9682 1.151 !DANGEROUS LOAD-DO NOT USE!
Alliant Reloder-16 *C *T 102.6 44.2 2.86 3046 100.0 60190 9682 1.151 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N565 *C 115.0 52.2 3.38 3040 96.0 58259 10832 1.181 ! Near Maximum !
Alliant Reloder-25 *C 115.0 50.6 3.28 3039 99.7 56503 10521 1.179 ! Near Maximum !
ADI AR 2213 109.2 48.8 3.16 3033 96.1 60190 10466 1.149 !DANGEROUS LOAD-DO NOT USE!
Somchem S365 104.8 46.1 2.99 3030 100.0 60190 9249 1.167 !DANGEROUS LOAD-DO NOT USE!
ReloadSwiss RS 62 101.2 46.9 3.04 3029 100.0 60190 9793 1.173 !DANGEROUS LOAD-DO NOT USE!
Ramshot Magnum 109.8 52.9 3.43 3025 98.2 60190 10152 1.152 !DANGEROUS LOAD-DO NOT USE!
PB Clermont PCL 518 103.2 47.1 3.05 3023 99.3 60190 9987 1.163 !DANGEROUS LOAD-DO NOT USE!
PB Clermont PCL 511 99.1 46.7 3.02 3021 99.5 60190 9931 1.164 !DANGEROUS LOAD-DO NOT USE!
Ramshot Hunter 102.4 46.7 3.03 3020 99.5 60190 9916 1.164 !DANGEROUS LOAD-DO NOT USE!
Rottweil R905 111.7 49.0 3.18 3019 95.9 60190 10262 1.160 !DANGEROUS LOAD-DO NOT USE!
Alliant Reloder-19 *C 106.9 47.3 3.06 3014 97.7 60190 10116 1.160 !DANGEROUS LOAD-DO NOT USE!
Winchester 760 96.6 45.2 2.93 3013 99.0 60190 9900 1.168 !DANGEROUS LOAD-DO NOT USE!
Hodgdon H414 96.6 45.2 2.93 3013 99.0 60190 9900 1.168 !DANGEROUS LOAD-DO NOT USE!
ADI AR 2209 106.0 46.6 3.02 3009 97.6 60190 10027 1.154 !DANGEROUS LOAD-DO NOT USE!
Bofors RP14 ~approximation 107.6 47.6 3.08 3007 97.7 60190 10038 1.161 !DANGEROUS LOAD-DO NOT USE!
ADI AP 2214 112.9 51.8 3.36 3006 96.1 60190 10282 1.151 !DANGEROUS LOAD-DO NOT USE!
Norma URP *C 101.9 44.6 2.89 3002 100.0 60190 9531 1.172 !DANGEROUS LOAD-DO NOT USE!
Bofors RP19 ~approximation 101.9 44.6 2.89 3001 100.0 60190 9528 1.172 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N550 *C 98.9 44.7 2.89 3001 99.9 60190 9652 1.177 !DANGEROUS LOAD-DO NOT USE!
Accurate 4350 101.3 44.8 2.90 2999 100.0 60190 9509 1.187 !DANGEROUS LOAD-DO NOT USE!
Hodgdon LVR 99.2 43.9 2.84 2994 99.8 60190 9496 1.169 !DANGEROUS LOAD-DO NOT USE!
Bofors RP5 NT *C ~approximation 112.7 50.8 3.29 2987 93.6 60190 10195 1.157 !DANGEROUS LOAD-DO NOT USE!
Norma 204 *C 101.2 46.2 2.99 2986 97.4 60190 9822 1.163 !DANGEROUS LOAD-DO NOT USE!
Bofors RP4 ~approximation 104.5 46.2 2.99 2986 97.4 60190 9822 1.163 !DANGEROUS LOAD-DO NOT USE!
Raufoss RA4 104.5 46.2 2.99 2986 97.4 60190 9822 1.163 !DANGEROUS LOAD-DO NOT USE!
IMR 4831 106.9 45.3 2.93 2983 100.0 60190 9323 1.181 !DANGEROUS LOAD-DO NOT USE!
Somchem S385 107.2 47.9 3.10 2979 98.5 60190 9702 1.180 !DANGEROUS LOAD-DO NOT USE!
Hodgdon H4831 *T 112.1 48.2 3.12 2974 95.5 60190 9837 1.160 !DANGEROUS LOAD-DO NOT USE!
Hodgdon H4831 SC *T 107.8 48.2 3.12 2974 95.5 60190 9837 1.160 !DANGEROUS LOAD-DO NOT USE!
Accurate 3100 110.7 49.0 3.17 2974 99.4 60190 9501 1.189 !DANGEROUS LOAD-DO NOT USE!
Bofors RP4 NT *C ~approximation 102.1 45.8 2.97 2967 98.7 60190 9531 1.175 !DANGEROUS LOAD-DO NOT USE!
Hodgdon Hybrid 100V 104.6 44.8 2.90 2963 100.0 60190 8757 1.171 !DANGEROUS LOAD-DO NOT USE!
Winchester Supreme 780 105.1 49.0 3.18 2960 97.5 60190 9566 1.165 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N165 *C 112.6 49.3 3.19 2960 98.1 60190 9433 1.169 !DANGEROUS LOAD-DO NOT USE!
Hodgdon H380 93.8 42.4 2.75 2951 99.9 60190 9168 1.185 !DANGEROUS LOAD-DO NOT USE!
Lovex S070 101.2 44.2 2.87 2951 99.0 60190 9379 1.186 !DANGEROUS LOAD-DO NOT USE!
Shooters World SW4350 101.2 44.2 2.87 2951 99.0 60190 9379 1.186 !DANGEROUS LOAD-DO NOT USE!
Bofors RP3 94.3 42.1 2.73 2948 100.0 60190 8830 1.195 !DANGEROUS LOAD-DO NOT USE!
Norma 203 old 94.3 42.1 2.73 2948 100.0 60190 8830 1.195 !DANGEROUS LOAD-DO NOT USE!
ReloadSwiss RS 80 *C 115.0 55.2 3.57 2948 92.4 51316 11122 1.234 ! Near Maximum !
Rottweil R904 105.1 45.8 2.97 2948 96.4 60190 9511 1.168 !DANGEROUS LOAD-DO NOT USE!
Rottweil R903 96.4 42.2 2.73 2942 100.0 60190 8754 1.195 !DANGEROUS LOAD-DO NOT USE!
Bofors RP30 115.0 50.8 3.29 2941 95.1 50902 10686 1.242
Norma MRP 2 *C 115.0 50.8 3.29 2941 95.1 50902 10686 1.242
IMR 4955 Enduron *C*T 108.7 46.8 3.03 2937 95.7 60190 9531 1.169 !DANGEROUS LOAD-DO NOT USE!
Somchem S355 96.4 41.7 2.70 2936 100.0 60190 8761 1.190 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N160 *C 112.2 47.6 3.08 2930 96.2 60190 9324 1.171 !DANGEROUS LOAD-DO NOT USE!
Lovex S065 99.8 43.2 2.80 2928 99.6 60190 9052 1.188 !DANGEROUS LOAD-DO NOT USE!
Shooters World Long Rifle 99.8 43.2 2.80 2928 99.6 60190 9052 1.188 !DANGEROUS LOAD-DO NOT USE!
Vihtavuori N570 *C 115.0 53.6 3.47 2924 88.0 50270 11165 1.246
Rottweil R907 98.5 42.8 2.77 2924 98.5 60190 9175 1.183 !DANGEROUS LOAD-DO NOT USE!
Bofors RP7 98.5 42.8 2.77 2924 98.5 60190 9175 1.183 !DANGEROUS LOAD-DO NOT USE!
IMR 4007 SSC 95.4 42.8 2.77 2923 98.5 60190 9169 1.183 !DANGEROUS LOAD-DO NOT USE!
SNPE Vectan SP 7 88.5 42.0 2.72 2922 99.8 60190 8842 1.189 !DANGEROUS LOAD-DO NOT USE!
Lovex S071 115.0 48.1 3.12 2915 99.1 56030 9410 1.228 ! Near Maximum !
Accurate 2520 87.3 40.7 2.64 2912 100.0 60190 8276 1.199 !DANGEROUS LOAD-DO NOT USE!
Shooters World Match Rifle 89.4 40.7 2.64 2912 100.0 60190 8276 1.199 !DANGEROUS LOAD-DO NOT USE!
Lovex D073.6 89.4 40.7 2.64 2912 100.0 60190 8276 1.199 !DANGEROUS LOAD-DO NOT USE!
Somchem S361 103.9 48.9 3.17 2912 95.5 60190 9283 1.181 !DANGEROUS LOAD-DO NOT USE!
Accurate 4064 93.9 40.6 2.63 2907 100.0 60190 8265 1.217 !DANGEROUS LOAD-DO NOT USE!
ADI AR 2217 115.0 50.3 3.26 2884 94.2 52921 9939 1.220 ! Near Maximum !
Hodgdon H1000 *T 115.0 50.3 3.26 2884 94.2 52921 9939 1.220 ! Near Maximum !
Lovex D073.5 83.9 39.8 2.58 2881 100.0 60190 8080 1.203 !DANGEROUS LOAD-DO NOT USE!
Accurate 2460 83.7 39.8 2.58 2881 100.0 60190 8080 1.203 !DANGEROUS LOAD-DO NOT USE!
Accurate 2495 88.3 38.2 2.48 2880 100.0 60190 7944 1.224 !DANGEROUS LOAD-DO NOT USE!
Rottweil R901 88.5 37.2 2.41 2866 100.0 60190 7940 1.206 !DANGEROUS LOAD-DO NOT USE!
Alliant Reloder-33 *C 115.0 55.2 3.57 2840 86.8 47304 10783 1.285
IMR 7977 Enduron *C*T 112.7 49.3 3.19 2839 87.2 60190 8846 1.180 !DANGEROUS LOAD-DO NOT USE!
ADI AR 2225 115.0 51.1 3.31 2817 95.8 45046 10481 1.310
Hodgdon Retumbo 115.0 51.1 3.31 2817 95.8 45046 10481 1.310
Lovex D100 115.0 54.7 3.55 2787 83.0 53842 9100 1.232 ! Near Maximum !
Shooters World BMG 115.0 54.7 3.55 2787 83.0 53842 9100 1.232 ! Near Maximum !
ADI AR 2218 115.0 54.2 3.51 2751 82.4 46641 10464 1.300
Vihtavuori 24N41 *C 115.0 54.2 3.51 2745 79.3 49592 9388 1.271
Vihtavuori N170 *C 115.0 50.3 3.26 2721 85.7 46721 9178 1.319
Accurate LRT 115.0 54.0 3.50 2715 77.5 46331 9646 1.309
Norma 217 *C 115.0 50.1 3.24 2702 92.3 38332 10324 1.414
IMR 8133 Enduron *C*T 115.0 49.7 3.22 2682 89.3 38929 10001 1.406
Hodgdon H870 115.0 52.5 3.40 2674 85.2 39642 10063 1.397
Alliant Reloder-50 *C 115.0 55.0 3.56 2612 80.5 36294 10091 1.458
Bofors 12,7mmRA NC1214 Lot20115087 115.0 53.8 3.48 2579 73.2 37929 9261 1.460
Hodgdon 50BMG 115.0 51.6 3.34 2540 70.4 39410 8581 1.415
Hodgdon US 869 115.0 54.2 3.51 2539 74.5 39255 8650 1.420
Somchem 12.7-0 115.0 52.5 3.40 2506 70.5 41031 7963 1.399
SNPE Vectan SP 13 115.0 51.9 3.37 2481 78.8 34985 8596 1.490
Accurate 8700 115.0 53.1 3.44 2443 76.6 35322 8403 1.487
Vihtavuori 20N29 *C 115.0 54.7 3.55 2415 73.1 33533 8399 1.522
PB Clermont PCL 513/520/9520 115.0 51.9 3.37 2412 75.2 33014 8254 1.531
NC A3502 ,test only 115.0 49.7 3.22 2211 51.1 32048 6001 1.576
TLP A 502(RH) ,test only 115.0 49.7 3.22 2189 55.5 29636 6437 1.623
V1734 7-multiperf ,test only 115.0 49.7 3.22 1562 24.9 16759 2905 2.122
 
Jimbires,
Thanks for running that, when I get back on days off I'll put a QL request for the powders I have on hand.
 
I Hope to get to the range tomorrow with my Remington XP100R pistol which has a 14 or 15 inch barrel (I forget). and test some loads with two different powders. I can tell you that the loads I have already tested I get 2600+- with Varget and a 120-123 grain bullet and about 100fps less with H4530 but I could probably push those a little harder. I have some 130 grain bullets loaded to test with RL17 and Hybrid 100V.

Bruce
 
I made it to the range to test the above loads. I was loading the Sierra 130 TGK in Peterson brass which is quite a bit heavier (15gr +-) than my Remington brass. With 43 grains of RL17 and a 3 shot group I got 2577fps avg. ES/11 and SD/7and this appears to be very close to a max load in my XP100R. It also produced a group of .27" at 100 yards. (I really hope this one is close to repeatable) With the Hodgdon Hybrid 100V loads I got 2386fps avg. with 41.5 grains and 42.0 grains 2400fps with only 1 shot recording. I had an error on my second shot and didn't look so it didn't record my last two. These appear to be below max and could be increased and these groups gave a .63" and .57" groups respectively. I did have one load with each powder that was lower in powder charge and the groups were no where near this good. I don't shoot this gun as much as I do the center grip XP100 and It takes a different hold for me to be consistent with it. This could partially account for the first RL17 group. I have also noticed that both XP's tend to shoot better in general as the pressure increases with any given bullet powder combo.
Hope this helps you out some. Oh and I measured the barrel on the XP100R and it is 14.5" without the brake.

Bruce
 
One last update. I fired one more group with the XP100R and the 43 grain RL17 load. I didn't get another .25" group or even .5" but it did do .80" and the one shot each on the 300 and 400 yarn steel hit close to center and with a very loud smack on the target. Much more noticeable than the 100 grain load from the 25 Creedmoor. Since this gun has only had a muzzle brake & Timney trigger added and a bedding job my me (my first) I'll say this will be my hunting load when carrying this gun. At least for now.

Bruce
 
I remember the Old School claimed " with a short barrel think heavy bullets with slow powder" It worked with many rounds. You have to realize that "most" of us here on the forum can't hear ourselves break- wind very well, so 'claims" of "not noisy" has to be quantified, lol. have a ball Pard!
 
jimbires":1d4vndl2 said:
to me barrel length does not affect powder choice . the powder that gives top velocity in a standard length bbl , will usually give top velocity in a shorter bbl .
Click to expand...

I'm with Jim. The powder that produces the most speed in a longer barrel in a given cartridge, will almost always still produce top speeds comparatively in a shorter barrel.

Same thing with accuracy I've found. A load that is proven in a given cartridge & bullet, will out of the box be respectable to very good in a rifle capable of shooting, shorter barrel or not, and slow burning powder or not.

Far as efficiency......depending on the cartridge and how short the barrel, faster powders can be utilized better and cut down on muzzle blast.

The loudest rifle I've shot to date in the woods was/is a Remington 6MM 18.5" barreled Model 7 with a stout load of IMR 4831.
 
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