Calibers
Available Rifling Twist
Button Rifle Barrels
.17 Caliber
1 -9 6 groove
1-12 6 groove
.204 Caliber
1-9 6 groove
1-10 6 groove
1-12 6 groove
.223 (Rimfire)
1-16 6 groove
.224 (5.56mm) Caliber
1-7 6 groove
1-8 4 groove
1-8 6 groove
1-9 6 groove
1-14 4 groove
1-14 6groove
1-15 6 groove
1-16 6 groove
.243 (6mm)
1-7 6 groove
1-8 4 groove
1 - 8 6 groove
1 - 10 6 groove
1- 13. 4 groove
1 - 13.5. 3 groove
1 - 13.5 4 groove
1 - 13.5. 6 groove
1 -14 6 groove double button
1 - 14 4 groove
1 – 14 6 groove
.257
1 – 8 4 groove
.264 (6.5mm)
1-8 4 groove
1-8 6 groove
.277
1 - 10 6 groove
.284 (7mm)
1-8 6 groove
1-10 6 groove
.308 (7.62mm)
1-8 6 groove
1-10 6 groove
1-12 6 groove
1-13.5 6 groove
1-14 6 groove
1-15 6 groove
.338
1-8 6 groove
1-9.35 6 groove
.35
1-10 6 groove
.358
1-12 6 groove
.375
1-12 6 groove
1-16 6 groove
.408
1-20 6 groove
.416
1-15 6 groove
.458
1-16 6 groove
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Cut Rifled Barrels
.243 (6mm)
Linear twists ranging from 1-16 to a 1-10
.308 (7.62mm)
Linear twists ranging from 1-16 to a 1-10