Twist: 

• 1-9 for bullets heavier than 30 gr.
• 1-10 for bullets up to 30 gr.

Calibers:

• 17 HMR
• 17 Ack. Hornet
• 17 BR
• 17 Fireball
• 17 Rem
• 17 Rem Imp.
• 17 Mach IV
• 17 RF Mag
• 17 Mach II
• 17x28 mm

Twist: 

• 1-9 for VLD bullets
• 1-10 for bullets up to 45 gr.
• 1-12 for bullets up to 39 gr.

Calibers:

• 20 Practical
• 204 Ruger
• 20 VarTarg
• 20 PPC
• 20 Tactical
• 20x28mm
• 20 BR
• 20 BR Lapua

Twist: 

* Indicates only available in stainless

• 1-10* for 60 gr. bullets ratchet rifled 4 groove
• 1-12* Ratchet rifled 4 groove
• 1-14* for pistol barrels
• 1- 15* Special twist for rifle barrels
• 1-16 Standard twist for rifle barrels
• 1-16 Ratchet rifled 4 groove
• 1-17 * Special twist for rifle barrels

Calibers:

• 22 LR Sport
• 22 LR Sport (Std)
• 22 Win 52D (Match)
• 22 LR Match
• 22 LR Bentz
• 22 Win R.F. Mag
• 22 Hornet Match
• 22 RF Calfree
• 22 Eley Ultimate

Twist: 

* Indicates only available in stainless

• 1-6.5* Ratchet rifled 4 groove
• 1-7 for bullets up to 90 gr.
• 1-7.5* Ratchet rifled 4 groove
• 1-8 for bullets 80 gr. and under
• 1-8* Ratchet rifled 4 groove
• 1-9 for bullets up to 70 gr.
• 1-10* for bullets up to 65 gr.
• 1-12 for bullets up to 63 gr.
• 1-14 for bullets up to 55 gr.
• 1-14* Ratchet rifled 4 groove

Calibers:

- NOTE: The dimensions in parentheses indicate special neck diameters. These are either "tight necks", which require turning case necks, or "minimum necks", which may or may not require neck-turning.

• 22 Hornet Match
• 22K Hornet
• 22K Hornet Match
• 221 Rem Fireball
• 221 Rem Fireball (.246")
• 221 Rem Fireball (.250")
• 222 Rem (.255")
• 222 Rem (.250")
• 222 Rem (.246")
• 222 Rem (.242")
• 222 Rem 40 degrees
• 222 Rem Mag (.250")
• 223 Rem
• 223 Rem (.246")
• 223 Rem (.252")
• 223 Rem VLD
• 223 Rem Ack Imp (.252")
• 223 Match (AR-15)
• 223 WSSM
• 223 Rem Wylde
• 222/40
• 22 PPC (.243")
• 22 PPC (.248")
• 22 PPC Sport (.252")
• 22 BR Rem (.248")
• 22 BR Rem (.244")
• 22 Nosler
• 22-250
• 22-250 (.250")
• 22-250 Imp (.247")
• 22-250 Imp (.255")
• 224 Wby
• 220 Swift
• 220 Swift (.256")
• 220 Swift 30 deg (.256")
• 220 Swift 40 deg (.256")
• 22 Creedmoor
• 224 Valkyrie
• 22-6mm Ackley Imp
• 22-6mm Rem (.250")
• 22-6mm Rem (.255")
• 22-243 Win (.250")
• 22 Cheetah Mk I
• 22 Cheetah MK I (.247")
• 22 Cheetah Mk II
• 22 Clark
• 22-257 Imp (.252")
• 22-284 (.255")
• 5.7x28mm

Twist: 

* Indicates only available in stainless

• 1-7 Special for VLD bullets over 100 gr.
• 1-7.5 * Ratchet rifled 4 groove
• 1-8 Special for VLD bullets over 100 gr.
• 1-8* Ratchet rifled 4 groove
• 1-10 for bullets up to 95 gr. and VLD under 100 gr.
• 1-12 for bullets up to 85 gr.
• 1-13* for bullets up to 75 gr.
• 1-13.5* for bullets up to 70 gr.
• 1-14* for bullets up to 70 gr.
• 1-14* Ratchet rifled 4 groove
• 1-15* Special for bullets up to 70 gr.

Calibers:

- NOTE: The dimensions in parentheses indicate special neck diameters. These are either "tight necks", which require turning case necks, or "minimum necks", which may or may not require neck-turning.

• 6mm PPC (.262")
• 6mm PPC Sako (.270")
• 6mm PPC (.264")
• 6mm PPC USA (.262")
• 6mm BR Norma
• 6mm BR Norma (.272", 0 Freebore)
• 6mm BR Rem (.263")
• 6mm BR Rem
• 6 ARC
• 6 BRX
• 6mm Dasher
• 6mm GT
• 6x47 Lapua
• 6XC
• 6mm Creedmoor (.109" FB)
• 6mm Creedmoor VLD (SAAMI .183" FB)
• 243 Win
• 243 Win (.270")
• 243 Win VLD
• 243 Ack. Imp. (.270")
• 243 Ack. Imp. (.266")
• 243 WSSM
• 243-7mm STW
• 6mm Rem
• 6mm Rem (.265")
• 6mm Imp. (.270", .244 Rem Imp.)
• 6mm Ack. Imp. 40 degrees
• 6mmx223
• 6-250 (.270")
• 6mmx224 Wby.
• 6x284 (.270")
• 6x284 (.277")
• 240 Wby.
• 240 Wby. (.270")
• 6mm-06 (.270")
• 6mm-55 Imp. (.270")
• 6.17 Spitfire

Twist: 

* Indicates only available in stainless

• 1-7 * Ratchet rifled 4 grove
• 1-9 for bullets heavier than 100 gr.
• 1-10 for bullets up to 100 gr.
• 1-12 for bullets up to 90 gr.
• 1-13 * for bullets up to 80 gr.

Calibers:

- NOTE: The dimensions in parentheses indicate special neck diameters. These are either "tight necks", which require turning case necks, or "minimum necks", which may or may not require neck-turning.

• 25 Creedmoor
• 25-06
• 25-06 (.285")
• 25-06 Imp. (6.5-06 tight neck)
• 25-06 Ack. Imp.
• 25-06 Ack. Imp. (.285")
• 257 Wby. Mag
• 257 Wby. Mag (.285")
• 25 WSSM
• 257 Roberts
• 257 (Roberts) Ack. Imp.
• 257 (Roberts) Ack. Imp. (.285")
• 257-68
• 25-300 WSM (.287")
• 250 Sav
• 25 TCU
• 25 BR (.279")
• 257 Jamison
• 25 STW
• 25 STW (.285")

Twist: 

* Indicates only available in stainless

• 1-7" * for bullets heavier than 130 gr.
• 1-8" for bullets heavier than 130 gr.
• 1-8" * Ratchet rifled 4 groove
• 1-9" for bullets up to 130 gr.

Calibers:

- NOTE: The dimensions in parentheses indicate special neck diameters. These are either "tight necks", which require turning case necks, or "minimum necks", which may or may not require neck-turning.

• 6.5 Grendel
• 6.5x47 Lapua
• 6.5 Creedmoor
• 6.5 Creedmoor (0 Freebore)
• 6.5x284 Norma
• 6.5x284 Lapua
• 260 Rem.
• 260 Rem. VLD
• 6.5x55 Swede
• 6.5 PRC
• 6.5-06
• 6.5mm-06 Imp. (tight neck)
• 264 Win Mag.
• 26 Nosler
• 6.5x300 Wby. Mag.
• 6.5-300 Ultra
• 6.5 WSM
• 6.5 WSM (.287")
• 6.5 IHMSA
• 6.5-65 RWS
• 6.71 Phantom
• 6.5 Rem. Mag.

Twist: 

* Indicates only available in stainless

• 1-8.5" * Ratchet rifled 4 groove
• 1-10"    for all bullets
• 1-11" * for all bullets - 4 groove

Calibers:

- NOTE: The dimensions in parentheses indicate special neck diameters. These are either "tight necks", which require turning case necks, or "minimum necks", which may or may not require neck-turning.

• 270 Win.
• 270 Win. (.305")
• 270 Wby. Mag.
• 270 WSM
• 270 x 300 Win Mag.

Twist: 

* Indicates only available in stainless

• 1 - 8" for all bullets-customer discretion 180 gr. VLD
• 1 - 8" * Ratchet rifled 4 groove
• 1 - 9" for bullets up to 170 gr.
• 1 - 11" for bullets up to 140 gr.
• 1 - 12" * special for high velocity

Calibers:

- NOTE: The dimensions in parentheses indicate special neck diameters. These are either "tight necks", which require turning case necks, or "minimum necks", which may or may not require neck-turning.

• 7mm BR (.307")
• 7mm BR (.310")
• 7mm-08
• 7mm-08 (.312")
• 284 Win. (0 Freebore)
• 284 Win. VLD (.220 Freebore) (.317")
• 7mm WSM
• 7mm Rem. SAUM
• 280 AI (SAAMI)
• 280 Ack. Imp. (This is a pre-SAAMI Reamer)
• 7mm PRC
• 7mm Rem. Mag.
• 7mm Rem. Mag. (.312")
• 7mm Rem. Mag. (.315")
• 7mm Wby. Mag.
• 7mm Ultra
• 28 Nosler
• 7 STW
• 7-300 Wby. Mag.
• 280 Rem (7mm Rem. Exp.)
• 280 RCBS Imp. 30 Degrees
• 7.21 Firehawk
• 7mm International
• 7mm TCU
• 7x47
• 7x250
• 7 IHMSA
• 7x57
• 7x57 Ack. Imp.
• 7x61 S&H

Twist: 

* Indicates only available in stainless

• 1-7" * for heavy VLD bullets and/or subsonic ammo.
• 1-8" for bullets heavier than 220 gr.
• 1-8" Ratchet rifled 4 groove
• 1-10" for bullets up to 220 gr.
• 1-10" * Ratchet rifled 4 groove
• 1-12" for bullets up to 170 gr.
• 1-13" * Ratchet rifled 4 groove
• 1-14" * for bullets up to 168gr.
• 1-15" * for bullets up to 150 gr.
• 1-17" * for bullets up to 125 gr.
• 1-17" * Ratchet rifled 4 groove

Calibers:

- NOTE: The dimensions in parentheses indicate special neck diameters. These are either "tight necks", which require turning case necks, or "minimum necks", which may or may not require neck-turning.

• 30 BR Robinett 30 deg. (.330")
• 300 Blackout
• 308 Win.
• 308 Win. (.332")
• 308 Win. (.340")
• 308 2011 Fullbore
• 300 WSM
• 300 RSUM
• 30-06
• 30-06 (.337")
• 30-06 Ack. Imp.
• 300 Win. Mag.
• 300 Win. Mag. (.337")
• 300 Win. Imp. (.341")
• 300 Win. Ack. Imp.
• 300 Wby. Mag.
• 300 Ultra
• 300 PRC
• 300 Savage
• 308 Norma Mag.
• 300 H&H
• 30-338
• 30-338 Win. Mag.
• 30-378 Wby. (.341")
• 300 Dakota
• 30x8mm Rem. Mag. (.340")
• 30-47 (.332")
• 30-221
• 30 IHMSA
• 7.82 Warbird
• 7.82 Patriot

Twist: 

* Indicates only available in stainless

• 1-8" for all bullets
• 1-9" * Ratchet rifled 4 groove
• 1-10" for all bullets

Calibers:

- NOTE: The dimensions in parentheses indicate special neck diameters. These are either "tight necks", which require turning case necks, or "minimum necks", which may or may not require neck-turning.

NOTE: Any caliber larger than .532 bolt face is not available for pre-fit Savage barrels.

• 338-06
• 338 Edge
• 338 Federal
• 338 Win.
• 338 WSM
• 338 Ultra
• 340 Wby. Mag.
• 338 Lapua
• 330 Dakota
• 338x378 Wby.
• 338x375 H&H

Twist: 

Calibers:

- NOTE: The dimensions in parentheses indicate special neck diameters. These are either "tight necks", which require turning case necks, or "minimum necks", which may or may not require neck-turning.

NOTE: Any caliber larger than .532 bolt face is not available for pre-fit Savage barrels.

* Indicates only available in stainless

.307
1-13" * Special Twist and Size

7.65mm/.311
1-10" For all Bullets

• 7.62x39 (Requires .311 bore blank)

8mm/.323
1-10" For all Bullets

• 325 WSM
• 8mm Rem. Mag.
• 8mm 57

9mm/.355
1-10" * Ratchet rifled 4 groove
1-14" For Low Velocity Wad Cutters
1-16" For all Other Bullets

9.3mm/.365
1-12" For all Bullets

• 9.3 x 74mm

.38/.357
1-14" For Low Velocity Wad Cutters
1-18" For all Other Bullets

.358
1-12" For All Bullets
1-14" For All Bullets

• 358 Win.
• 35 Whelen
• 358 Norma Mag.
• 350 Rem. Mag.
• 358 STA (Shooting Times Alaskan)
• 35 Rem.

.375
1-7.5" * Ratchet Rifle 4 Grove
1-9.5"  *Ratchet Rifle 4 Grove
1-12" For All Bullets

• 375 H&H
• 375 Wby. Mag.
• 375 Ack. Improved
• 375 Wby. Mag.
• 378 Wby. Mag.
• 375 CheyTac

10mm/.400
1-16" For All Bullets

.411
1-14" For All Bullets

• 411 KDF

.416
1-14" For All Bullets

• 416 Taylor
• 416 Hoffman
• 416 Rem. Mag.
• 416 Wby. Mag.
• .416 Rigby

.44
1-16" For Low Velocity Wad Cutters
1-10" For All Bullets

.451
1-16" For All Bullets

.458
1-14" For All Bullets

• 458 Win. Mag.
• 450 Watts
• 458 Lott
• 460 Wby. Mag.
• 450 Ack. Imp.

Black Powder Barrels (1.250" x 30")

.32

• 1-14" .320 Groove
• 1-16" .320 Groove

.38

• 1-20" .379 Groove

.40

• 1-20" .403 Groove

.457

• 1-20" .457 Groove

Shilen Rifles Inc. can custom chamber barrels using customer reamers if the preference is to have the barrel chambered to exact specifications.