Cartridge : .30 Rem AR, edited to .277 bore and bore square area Bullet : .277, 130, Hornady SST InterLock 27302 Cartridge O.A.L. L6: 2.260 inch or 57.40 mm Barrel Length : 20.0 inch or 508.0 mm Powder : Accurate 2520 Predicted data by increasing and decreasing the given charge, incremented in steps of 2.703% 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 -27.0 77 27.00 2031 1191 25234 6501 89.9 1.491 -24.3 80 28.00 2107 1281 27811 6805 91.7 1.433 -21.6 83 29.00 2182 1375 30620 7095 93.3 1.378 -18.9 86 30.00 2258 1472 33675 7367 94.8 1.325 -16.2 89 31.00 2334 1572 37035 7621 96.1 1.274 -13.5 91 32.00 2409 1676 40742 7852 97.2 1.219 -10.8 94 33.00 2485 1782 44836 8059 98.1 1.167 -08.1 97 34.00 2559 1891 49363 8240 98.9 1.117 ! Near Maximum ! -05.4 100 35.00 2634 2003 54376 8393 99.4 1.070 !DANGEROUS LOAD-DO NOT USE! -02.7 103 36.00 2708 2117 59940 8515 99.8 1.025 !DANGEROUS LOAD-DO NOT USE! +00.0 106 37.00 2781 2233 66129 8605 100.0 0.983 !DANGEROUS LOAD-DO NOT USE! +02.7 109 38.00 2854 2351 73036 8667 100.0 0.942 !DANGEROUS LOAD-DO NOT USE! +05.4 111 39.00 2926 2472 80769 8720 100.0 0.904 !DANGEROUS LOAD-DO NOT USE! +08.1 114 40.00 2998 2594 89463 8765 100.0 0.867 !DANGEROUS LOAD-DO NOT USE! +10.8 117 41.00 3069 2720 99281 8802 100.0 0.832 !DANGEROUS LOAD-DO NOT USE! +13.5 120 42.00 3141 2848 110430 8829 100.0 0.798 !DANGEROUS LOAD-DO NOT USE!
