Caliber List
Barrels with the following rifling are available for sale with an express lead time. Please submit your barrel application to receive pricing and availability. Please note, below rifling can typically be chambered in many calibers.
| Standard Caliber | Common Chambering Options | Number of Grooves | Twist Rates (in) |
|---|---|---|---|
| .17 | .17 HMR, .17 WSM | 6 | 1:9 |
| 4.6mm | 4.6x30 | 6 | 6R | 1:6 |
| .22 RF | .22 LR, .22 Bentz, .22 Match | 6 | 6R | 1:9 | 1:16 |
| 5.7mm | 5.7x28 | 8 | 1:9 |
| .223 | .223 Rem, .223 Wylde, 5.56 NATO, .22 Creedmoor | 5R | 6 | 1:5 | 1:6 | 1:6.5 | 1:7 | 1:8 | 1:9 | 1:12 | 1:14 | 1:16 |
| 6mm (.243) | 6mm ARC, .243 Win, 6mm GT, 6mm Creedmoor | 4 | 5R | 6 | 1:7 | 1:7.5 | 1:8 |
| .257 | .25 Creedmoor, .257 Weatherby | 5R | 6 | 1:7.5 | 1:10 |
| 6.5mm (.264) | 6.5 Creedmoor, 6.5 PRC, 6.5 Grendel | 4 | 5R | 6 | 1:7.5 | 1:8 |
| 6.8mm (.270) | .277 Fury, .270 Win, 6.8 SPC, 6.8 Western | 4 | 6R | 1:7.5 | 1:8 | 1:10 |
| 7mm (.284) | 7mm PRC, 7mm Rem Mag, 7mm WSM | 4 | 5R | 6 | 1:8 | 1:8.5 | 1:9 |1:9.5 | 1:10 |
| .30 | .308 Win, 7.62 NATO, .30-06, .300 Win Mag, .300 PRC, .300 BLK | 4 | 5R | 6 | 1:5 | 1:6 | 1:7 | 1:8 | 1:9 | 1:10 | 1:11.25 | 1:12 |
| 7.62mm | 7.62x39, 7.62x54R | 4R | 1:10 |
| 8mm | 8mm Mauser | 4 | 1:9.5 |
| .32 | .32 ACP | 6 | 1:16 |
| .338 | 8.6 BLK, .338 Lapua Magnum, .338 Federal | 5R | 6 | 1:3 | 1:5 | 1:9.3 | 1:10 |
| 9mm | 9mm Luger, .350 Legend, .357 Magnum | 6R | 1:10 | 1:14 | 1:16 | 1:10 LH | 1:16 LH |
| .35 | 350 Buckhammer | 5R | 1:12 |
| 9.25mm | 9x18 Makarov | 6 | 1:7 | 1:10 |
| .375 | .375 Raptor, .375 H&H, .375 Ruger | 5R | 1:7 |
| .40 | .400 Legend, .40 S&W, 10mm | 5 | 6R | 1:10 | 1:16 |
| .44 | .44 Rem Mag, .444 Marlin | 8 | 1:20 |
| .45 | .45 ACP, .450 Bushmaster | 6R | 8 | 1:10 | 1:16 | 1:24 |
| .458 | .458 SOCOM, .45-70 | 6R | 8 | 1:14 | 1:18 | 1:24 |
| .460 | .460 S&W, .454 Casull | 8 | 1:16 |
| .498 | .500 S&W, .500 S&W Magnum, .50 AE | 8 | 1:20 |
| .50 | .50 BMG | 8R | 1:15 | 1:22 | 1:28 |
*Product offerings are subject to change without notice. Updated December 2025. Export laws may restrict the sale of products. Please contact us for more information and to obtain a quote for barrel blanks and related services.