BC & Twist: Plains Supreme

Calibre	Weight (gr)	BC G1	BC G7	Twist Rate	Stab Fac. @ Sea Level	Stab Fac. @ 1520m
.224
Flat Base	30	0.122		1 in 14	1.53	1.84
Flat Base	45	0.144		1 in 13 @ sea 1 in 14 @ 1520m	1.63	1.4
Flat Base	47	0.169		1 in 12	1.49	1.79
	50	0.221		1 in 10	1.69	2.03
Flat Base	50	0.187		1 in 12	1.35	1.62
Flat Base	55	0.2		1 in 12	1.31	1.57
	60	0.286	0.141	1 in 9	1.56	1.87
	65	0.299		1 in 9	1.39	1.67
	70	0.33	0.164	1 in 8	1.6	1.93
	80	0.338	0.193	1 in 7	1.81	2.18
.243
	70	0.32	0.155	1 in 10	1.59	1.91
	75	0.348	0.169	1 in 10	1.39	1.69
	80	0.337	0.163	1 in 10	1.4	1.68
	85	0.372	0.18	1 in 10	1.22	1.5
T7	85	0.317			1.5	1.79
Flat Base	90	0.328		1 in 9	1.46	1.75
	95	0.416		1 in 8	1.61	1.53
	100	0.43	0.208	1 in 8	1.5	1.8
.257(6.35mm)
T7	87	0.331		1 in 10	1.96	2.36
T7	100	0.375		1 in 10	1.54	1.85
.264(6.5mm)
	85	0.307		1 in 9	2.87	3.29
	100	0.364		1 in 9	1.95	2.34
	115	0.41		1 in 9	1.7	2.04
	120	0.431		1 in 8	1.97	2.36
	125	0.467		1 in 8	1.75	2.1
	130	0.484	0.269	1 in 8	1.63	1.95
.270(.277″)
	120	0.432		1 in 10	1.55	1.86
	130	0.459		1 in 10	1.39	1.68
	140	0.46			1.29	1.55
T7	145	0.451		1 in 10	1.32	1.59
7mm(.284″)
	130	0.331		1 in 9	2.58	3.1
	140	0.35		1 in 9	2.25	2.7
	154	0.466		1 in 9	1.61	1.93
	162	0.51		1 in 9	1.48	1.78
Flat Base	170	0.466		1 in 9	1.55	1.86
.308
	130	0.34		1 in 13	1.56	1.88
	140	0.362		1 in 12	1.48	1.78
	150	0.4		1 in 12	1.5	1.78
T10	165	0.425		1 in 12	1.22	1.5
T7	165	0.407		1 in 12	1.5	1.81
	180	0.441		1 in 10	1.67	2.01
Flat Base	200	0.478		1 in 10	1.59	1.91
Flat Base	220	0.526		1 in 10	1.31	1.58
.303
	130	0.309		1 in 10	2.64	3.17
	150	0.382		1 in 10	2.36	2.83
	180	0.45		1 in 10	1.84	2.21
8mm
	160	0.357		1 in 10	2.57	3.09
	175	0.47		1 in 10	2.22	2.67
	200	0.541	0.278	1 in 9.5	1.82	2.15
	220	0.536	0.302	1 in 10	1.85	2.22
.330
Flat Base	250	0.55		1 in 10	1.72	2.06
.338
	180	0.43		1 in 10	2.95	3.54
	200	0.49		1 in 10	2.63	3.16
	225	0.469			2.23	2.67
	250	0.63		1 in 10	1.7	2.05
T10	250	0.6		1 in 10	1.81	2.17
	275	0.59		1 in 10	1.82	2.19
	300	0.553			1.63	1.95
9.3mm
	250	0.477	0.271	1 in 14	1.64	1.97
Flat Base	286	0.474	0.309	1 in 15	1.66	2
.375
	235	0.45	0.236	1 in 12	2.68	3.23
	250	0.486	0.243	1 in 12	2.54	3.05
	270	0.49	0.251	1 in 12	2.35	2.83
Flat Base	300	0.506		1 in 12	2.24	2.69
.404
	300	0.341	0.241		2.97	3.57
	350	0.397	0.281		2.46	2.95
	400	0.45	0.321		2.23	2.68
.416
	300	0.352	0.25
	350	0.4	0.293
	400	0.46	0.335
.458
	350
	400
	450
	500
.50 BMG
	650	0.756	0.358	1 in 19
	750	0.88	0.416	1 in 16