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If you tell me which 150 gr Hornady bullets you have, I can run Quickload for you.
Hornady has the following 150 gr bullets...
BTSP
SP
Interbond
GMX
RN
SST
Cartridge : .300 Savage
Bullet : .308, 150, Hornady SST InterLock 30303
Useable Case Capaci: 45.638 grain H2O = 2.963 cm³
Cartridge O.A.L. L6: 2.600 inch = 66.04 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Alliant Reloder-15
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 82 34.40 2165 1561 26929 6138 84.8 1.465
-18.0 84 35.26 2219 1640 28706 6348 86.1 1.426
-16.0 86 36.12 2273 1721 30604 6555 87.4 1.389
-14.0 88 36.98 2328 1804 32633 6757 88.6 1.352
-12.0 90 37.84 2382 1890 34805 6955 89.8 1.317
-10.0 92 38.70 2437 1977 37114 7147 90.9 1.282
-08.0 94 39.56 2491 2067 39559 7333 92.0 1.245
-06.0 96 40.42 2546 2159 42157 7513 93.0 1.209
-04.0 98 41.28 2601 2253 44934 7685 93.9 1.174
-02.0 100 42.14 2656 2349 47903 7849 94.8 1.141 ! Near Maximum !
+00.0 102 43.00 2710 2447 51080 8004 95.6 1.109 ! Near Maximum !
+02.0 104 43.86 2765 2547 54483 8150 96.4 1.077 !DANGEROUS LOAD-DO NOT USE!
+04.0 106 44.72 2820 2649 58131 8286 97.0 1.047 !DANGEROUS LOAD-DO NOT USE!
----------------------------------------------------------
QL default MAX chamber pressure for the 300 Savage is just 52,939 psi
Highlighted in bold is predicted MAX.
102 % case fill
43 gr Charge weight
2,710 fps Velocity
2,447 ft-lbs Energy
51,080 PSI chamber pressure
8,004 psi muzzle pressure
95.6 % powder burned
1.109 barrel time milliseconds
============================
Just to add....
Both Speer and Alliant show MAX 44 gr RL-15 with 165 grainers.
Lyman 50th shows 42.5 gr RL-15 MAX with 150 grainers.
So that's quite the discrepancy.
Hence why we start lower and work up.
RL-17 might be a tad slow (burning) for this combination,.. but QL thinks it should work, as the MAX predicted charge weight is not too heavily compressed, but slightly compressed nevertheless....
============================================
Cartridge : .300 Savage
Bullet : .308, 150, Hornady SST InterLock 30303
Useable Case Capaci: 45.638 grain H2O = 2.963 cm³
Cartridge O.A.L. L6: 2.600 inch = 66.04 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Alliant Reloder-17
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 86 38.00 2148 1537 25423 6443 81.7 1.474
-18.0 88 38.95 2207 1622 27161 6709 83.4 1.433
-16.0 90 39.90 2267 1711 29030 6971 85.2 1.393
-14.0 93 40.85 2327 1804 31042 7227 86.8 1.354
-12.0 95 41.80 2389 1900 33209 7476 88.4 1.316
-10.0 97 42.75 2451 2000 35546 7716 89.9 1.279
-08.0 99 43.70 2513 2104 38072 7945 91.4 1.241
-06.0 101 44.65 2576 2211 40804 8164 92.7 1.201
-04.0 103 45.60 2640 2321 43762 8369 93.9 1.163
-02.0 105 46.55 2704 2435 46974 8559 95.1 1.125 ! Near Maximum !
+00.0 108 47.50 2768 2552 50467 8734 96.1 1.089 ! Near Maximum !
+02.0 110 48.45 2833 2672 54264 8891 97.0 1.054 !DANGEROUS LOAD-DO NOT USE!
MAX predicted load =....
108 % Case fill
47.5 gr RL-17
2,768 fps
2,552 ft-lbs
50,467 Chamber PSI
8,734 muzzle PSI
96.1 % powder burned