27 September 2010, 06:39
nsaqamHere are all the loads for the 6.5 Gibbs listed on
www.loaddata.com.
These are from Handloader #148
6.5 Gibbs / 6.5mm Gibbs
Warning! Notes: Federal 215 primers used in all loads. Powder and ambient temperature 70 to 85 degrees F. All velocities instrumental at 10 feet to middle of screens. All loads targeted at 200 yards except cast bullet load. Rifle: M98 26-inch Shilen barrel, one-in-9-inch twist. (Handloader Issue 148)
Be Alert: Publisher cannot be responsible for errors in published load data.
Wt. Bullet Powder Manufacturer Powder Charge Velocity (FPS)
100 Hornady Accurate AAC-3100 61.0 3,433
Remarks: brass: FC; under two inches at 200 yds
100 Hornady IMR IMR-7828 62.0 3,330
Remarks: brass: FC; under two inches at 200 yds
100 Hornady Alliant RL-22 62.0 3,469
Remarks: brass: FC; under two inches at 200 yds
100 Hornady IMR IMR-4350 56.0 3,324
Remarks: brass: FC; under two inches at 200 yds
120 Nosler Ball. Tip Accurate AAC-3100 58.0 3,264
Remarks: brass: WW; under two inches at 200 yds
120 Remington IMR IMR-4831 58.0 3,314
Remarks: brass: FC; under three inches at 200 yds
120 Speer Alliant RL-22 59.0 3,330
Remarks: brass: WW; under one inch at 200 yds
120 Sierra Hodgdon H-450 58.0 3,250
Remarks: brass: WW; under one inch at 200 yds
120 Nosler SB IMR IMR-7828 60.0 3,270
Remarks: brass: RP; under three inches at 200 yds
125 Nosler IMR IMR-7828 59.0 3,188
Remarks: brass: WW; under one inch at 200 yds
129 Hornady IMR IMR-4831 58.0 3,099
Remarks: brass: RP; under three inches at 200 yds
129 Hornady Alliant RL-19 57.0 3,097
Remarks: brass: RP; under three inches at 200 yds
140 Sierra GK IMR IMR-7828 58.0 3,039
Remarks: brass: WW; under two inches at 200 yds
140 Sierra GK Alliant RL-22 56.0 3,018
Remarks: brass: WW; under two inches at 200 yds
140 Sierra GK Hodgdon H-870 65.0 3,063
Remarks: brass: WW; under one inch at 200 yds
140 Sierra GK IMR IMR-4350 52.0 2,960
Remarks: brass: WW; under two inches at 200 yds
140 Sierra GK Accurate AAC-3100 55.0 3,034
Remarks: brass: WW; under two inches at 200 yds
140 Sierra GK IMR IMR-4831 55.0 3,041
Remarks: brass: WW; under one inch at 200 yds
140 Sierra GK Alliant RL-19 55.0 3,027
Remarks: brass: WW; under two inches at 200 yds
140 Sierra GK Hodgdon H-5010 68.0 3,088
Remarks: brass: WW; under one inch at 200 yds; vibrated then compressed
143 Cast IMR IMR-4227 23.0 1,879
Remarks: brass: RP; SAECO mould
150 Barnes Hodgdon H-870 64.0 2,859
Remarks: brass: RP; under one inch at 200 yds
These are from Gibbs himself I believe.
6.5 Gibbs / 6.5mm Gibbs Loading Data
Warning! Notes: 26-inch barrel, one-in-eight-inch twist; all CCI 250 Magnum primers; all R-P cases; average weight was 203.3 grains primed; velocities measured on an Oehler Model 33 Chronograph at 12 feet, converted to muzzle velocity; all loads listed are maximum; starting loads should be reduced and worked up to maximum using good handloading techniques; always watch for signs of excessive pressure; be especially aware of using reduced charges of slow burning powders; keep airspace to a minimum ("Gibbs' Cartridges and Front Ignition Loading Technique")
Be Alert: Publisher cannot be responsible for errors in published load data.
Wt. Bullet Powder Manufacturer Powder Charge Velocity (FPS)
100 Hornady SP Alliant RL-22 61.0 3,559
Remarks: max
100 Hornady SP Hodgdon H-4831 59.0 3,504
Remarks: max
100 Hornady SP IMR IMR-7828 63.0 3,492
Remarks: max
100 Hornady SP Hodgdon H-450 60.0 3,365
Remarks: max
100 Hornady SP Hodgdon H-870 69.0 3,152
Remarks: max
129 Hornady SP Alliant RL-22 57.0 3,251
Remarks: max
129 Hornady SP IMR IMR-7828 57.0 3,175
Remarks: max
129 Hornady SP Hodgdon H-4350 56.0 3,094
Remarks: max
129 Hornady SP Hodgdon H-450 57.0 3,073
Remarks: max
129 Hornady SP Hodgdon H-870 68.0 3,057
Remarks: max
140 Hornady SP IMR IMR-4831 55.0 3,126
Remarks: max
140 Hornady SP IMR IMR-7828 57.0 3,042
Remarks: max
140 Hornady SP Alliant RL-22 54.0 3,028
Remarks: max
140 Hornady SP Hodgdon H-870 67.0 2,988
Remarks: max
140 Hornady SP Hodgdon H-450 56.0 2,973
Remarks: max
160 Hornady RN Hodgdon H-870 65.0 2,784
Remarks: max
160 Hornady RN Hodgdon H-450 55.0 2,781
Remarks: max
160 Hornady RN Hodgdon H-4831 54.0 2,769
Remarks: max
160 Hornady RN IMR IMR-7828 55.0 2,765
Remarks: max
160 Hornady RN Alliant RL-22 53.0 2,754
Remarks: max