Flat Based Bullet Recommended Twist Rates

Target Bullets

Image Description Bullet Diameter Weight (Grains) G1 BC
Twist
Store Link/
Part #
17 Caliber
25 gr Match Grade FB Varmint .172 25 0.150 10 17308
20 Caliber
35 gr Match Grade FB Varmint .204 35 0.176 14 20303
22 Caliber
40 gr Match Grade FB Varmint .224 40 0.155 15 22303
52 gr Match Grade FB Varmint .224 52 0.197 14 22309
55 gr Match Grade FB Varmint .224 55 0.210 14 22311
60 gr Match Grade FB Varmint .224 60 0.278 12 22312
64 gr Match Grade FB Varmint .224 64 0.294 12 22316
6 MM
69 gr Match Grade High BC FB Varmint .243 69 0.291 12 24313
80 gr Match Grade FB Varmint .243 80 0.306 12 24321
88 gr Match Grade High BC FB Varmint .243 88 0.391 10 24323

Target Bullets

Image Description Bullet Diameter Weight (Grains) G1 BC
Twist
Store Link/
Part #
22 Caliber
52 gr Match FB Target .224 52 0.242 14 22408
55 gr Match FB Target .224 55 0.262 14 22410
6 MM
62 gr Match Euwin BR Target .243 62 0.253 14 24404
Match BR Column Target .243 N/A 0.277 14 24407
65 gr Match WEB BR Target .243 65 0.265 14 24409
68 gr Match FB Target .243 68 0.280 13 24411
30 Caliber
115 gr Match FB Target .308 115 0.296 19 30421
150 gr Match FB Target .308 150 0.398 15 30407