Cartridge : .280 Ack Imp Nosler brass
Bullet : .284, 180, Berger VLD G7 #28405
Useable Case Capaci: 63.464 grain H2O = 4.121 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Predicted Data for Indicated Charges of the Following Powders.
Matching Maximum Pressure: 61000 psi, or 420 MPa
or a maximum loading ratio or filling of 110 %
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 !
69 loads produced a Loading Ratio below user-defined minimum of 80%. These powders have been skipped.
Powder type Filling/Loading Ratio Charge Charge Vel. Prop.Burnt P max P muzz B_Time
% Grains Gramm fps % psi psi ms
--------------------------------- -----------------------------------------------------------------
Vihtavuori N570 109.7 67.7 4.38 2973 97.5 61000 12883 1.284 ! Near Maximum !
Alliant Reloder-33 110.0 70.7 4.58 2961 97.7 61000 12747 1.285 ! Near Maximum !
Norma MRP 2 108.6 63.5 4.12 2909 99.9 61000 11538 1.303 ! Near Maximum !
Vihtavuori N560 100.1 59.9 3.88 2899 99.4 61000 11534 1.297 ! Near Maximum !
Alliant Reloder-25 106.3 61.9 4.01 2897 100.0 61000 10671 1.292 ! Near Maximum !
Norma MRP 98.4 60.1 3.89 2897 100.0 61000 11092 1.303 ! Near Maximum !
Accurate MAGPRO 100.5 62.5 4.05 2894 98.7 61000 11678 1.303 ! Near Maximum !
IMR 7828 104.6 59.5 3.86 2887 99.7 61000 11135 1.287 ! Near Maximum !
IMR 7828 SSC 99.0 59.5 3.86 2887 99.7 61000 11135 1.287 ! Near Maximum !
Alliant Reloder-22 100.4 59.4 3.85 2872 100.0 61000 11005 1.304 ! Near Maximum !
Winchester WXR 103.1 59.7 3.87 2871 100.0 61000 11029 1.304 ! Near Maximum !
Hodgdon H1000 109.3 63.3 4.10 2870 99.8 61000 10888 1.282 ! Near Maximum !
Ramshot Magnum 100.5 64.0 4.15 2857 100.0 61000 10497 1.297 ! Near Maximum !