Blaser Barrel Twist Rates

 

Caliber


.22 l.f.b.
.22 Win.Mag.
.22 Hornet
.222 Rem.
.222 Rem.Mag.
.223 Rem.
.223 Rem.
.223 Rem.
5.6 x 50 R Mag.
.22 - 250
5.6 x 52 R
.220 Swift
5.6 x 57 R
.308 Win.
5.6 x 57
.30 - 06
.270 Win.
.300 Win. Mag.
5.6 x 50 Mag.
.300 Weath. Mag.
.257 Weath. Mag.
.338 Win. Mag.
.30 R Blaser
.243 Win.
6 x 62 Freres
6 mm Rem.
6 x 62 R Freres
.25 - 06
.270 Weath. Mag
.264 Win. Mag.
6mm B.R. Norma
.280 Rem.
.270 WSM
.45 Blaser
.500/416 N.E. 3¼"
.470 N.E.
.500 N.E. 3"
.300 WSM
6 x 52 R Bret.
6.5 x 57 R
6.5 x 57
6 PPC - USA
6.5 x 55
6.5 x 65 R RWS
6.5 x 65 RWS
6.5 - 284 Norma
6 x 70 R
6.5 x 68 R
6.5 x 68
7 x 57 R
7 x 57
7 x 65 R
7 x 64
7 mm - 08 Rem.
7.5 x 55 GP 31
7.5 x 55 GP 11
7 mm Rem. Mag.
.300 Rem. Ultra Mag.
7 mm STW
8 x 57 IRS
8 x 57 IS
8 x 64 S
8 x 68 S
8 x 75 RS
8.5x63
8.5x63 R
9.3x74 R
.375 H & H
.338 Lapua Mag.
9.3 x 62
10.3 x 60 R
9.3 x 64
.416 Rem. Mag
.458 Win. Mag.
.404 Jeffery
.458 Lott

Twist Rate (inches)


15.75"
12"
16"
14"
14"
9"
10"
12"
12"
14"

14"

11"

11"
10"
11"
12"
11"
10"
10"
11"
10"
10"
9"
10"
10"
10"
9"
8"
10"
10"
14"
14"
21"
15"
11"
10"


12"




10"






9.5"


9.5"
11"
9.5"





10"
10"

12"
10"



14"
14"
16.5"
14"

Drallänge (millimeters)


400
305
406
356
356
229
254
305
305
356
270
356
250
279
250
279
254
279
305
279
254
254
279
254
254
229
254
254
254
229
203
254
254
356
356
533
381
279
254
200
200
305
220
200
200
220
254
250
250
220
220
220
220
241
270
270
241
279
241
240
240
240
280
240
254
254
360
305
254
360
450
360
356
356
420
356