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.220 Swift Loads

Warning! Notes: .220 Swift Ruger Model 77 26-inch heavy barrel; W-W cases (164 grains) CCI Number 200 primers; Oehler Model 31 Chronotach, Oehler M-50 photoelectric screens; velocity instrumental at 15' converted to muzzle velocity; temp. avg. 70 degrees; these loads are all near maximum and should be approached from at least two grains below (Rifle #31 - January, 1974)

Be Alert: Publisher cannot be responsible for errors in published load data.

Wt.	Bullet	Powder Manufacturer	Powder	Charge	Velocity (FPS)
45	Hornady	IMR	IMR-3031	Subscribe	4,122
Remarks: uniform, accurate
45	Hornady	IMR	IMR-4064	Subscribe	4,255
Remarks: uniform, accurate
50	Speer	IMR	IMR-4895	Subscribe	4,006
Remarks: avg. groups size about 1"
50	Speer	IMR	IMR-4064	Subscribe	4,109
Remarks: avg. groups size about 1"
50	Speer	Winchester	W-748BR	Subscribe	3,788
Remarks: avg. groups size about 1"
50	Speer	IMR	IMR-3031	Subscribe	3,999
Remarks: avg. groups size about 1"
52	Speer S.M.	IMR	IMR-4895	Subscribe	3,983
Remarks: groups averaged 3/8-3/4"
52	Speer S.M.	IMR	IMR-4064	Subscribe	4,011
Remarks: groups averaged 3/8-3/4"
52	Speer S.M.	Winchester	W-748BR	Subscribe	3,759
Remarks:
52	Speer S.M.	Winchester	W-760BR	Subscribe	4,014
Remarks:
52	Speer S.M.	Norma	N-203	Subscribe	3,960
Remarks: groups averaged 3/8-3/4"
52	Speer S.M.	IMR	IMR-3031	Subscribe	3,857
Remarks: groups averaged 3/8-3/4"
55	Sierra Sptz	IMR	IMR-4895	Subscribe	3,784
Remarks:
55	Sierra Sptz	IMR	IMR-4064	Subscribe	3,930
Remarks: very accurate
55	Sierra Sptz	Winchester	W-760BR	Subscribe	3,958
Remarks:
55	Sierra Sptz	Winchester	W-748BR	Subscribe	3,738
Remarks:
55	Sierra Sptz	IMR	IMR-4350	Subscribe	3,755
Remarks: case full no pressure
55	Sierra Sptz	Norma	N-203	Subscribe	3,909
Remarks: very accurate & uniform
55	Sierra Sptz	IMR	IMR-3031	Subscribe	3,711
Remarks:
60	Hornady	IMR	IMR-4350	Subscribe	3,529
Remarks:
60	Hornady	Winchester	W-760BR	Subscribe	3,649
Remarks:
60	Hornady	Norma	N-203	Subscribe	3,654
Remarks:
63	Sierra	IMR	IMR-4350	Subscribe	3,545
Remarks: good accuracy
63	Sierra	Norma	N-204	Subscribe	3,520
Remarks: good accuracy
63	Sierra	Norma	N-205	Subscribe	3,583
Remarks: good accuracy
63	Sierra	IMR	IMR-4064	Subscribe	3,610
Remarks: good accuracy
63	Sierra	Norma	N-203	Subscribe	3,660
Remarks: good accuracy
70	Speer	IMR	IMR-4350	Subscribe	3,476
Remarks: excellent accuracy
70	Speer	Norma	N-204	Subscribe	3,431
Remarks: excellent accuracy
70	Speer	Norma	N-205	Subscribe	3,493
Remarks: excellent accuracy
70	Speer	IMR	IMR-4831	Subscribe	3,465
Remarks: excellent accuracy
70	Speer	Winchester	W-780BR	Subscribe	3,554
Remarks:
70	Speer	Winchester	W-760BR	Subscribe	3,428
Remarks:
70	Speer	Norma	N-203	Subscribe	3,350
Remarks: excellent accuracy