Bolt Action
Savage Bolt Action

Our masterfully crafted barrel upgrade for Savage, Mossberg, MVP, and Ruger Precision

Scroll down to see all of the bolt action barrel choices you have.

Call to order (503) 410-5583 or email sales@columbiariverarms.com

For barrel installation services see a qualified, experienced, licensed gunsmith.

Bolt Action Contours

Pricing $315 up to 26”
$10.00 per inch (or partial inch) over 26”

Step Profile A B C D E
D3 1.2 0.780 0.625 2.00 3.125
D4 1.2 0.875 0.650 2.00 2.875
D5 1.2 0.900 0.700 2.00 2.5
Med Palma 1.2 0.92 0.82 3.0 5.5
Heavy Palma 1.2 1.0 0.9 3.0 5.5

Step Taper

step taper

Straight Taper

straight taper
Straight Profile A C D
D6 1.2 0.750 3.0
D7 1.2 0.875 3.0
D8 1.2 1.0 3.0
M4 Heavy Varmint see thread chart 0.9 3.0
S3 Varmint see thread chart 0.8 2.0
S4 Bull
see thread chart 1.0 2.0
S1 Sporter
see thread chart 0.585 2.0 1/2″ treads only
S2 H-Sporter
see thread chart 0.685 2.0

Customer is responsible for choosing the correct profile and type of barrel to fit his/her action and barrel nut. Bolt action barrels that we thread will come to fit the factory standard tenon length.

The following profiles do not have a shoulder that allows for a barrel nut: D3, D4, D5, Med. Palma, Heavy Palma, D6, D7 or D8.

The following profiles have a shoulder that allows for a barrel nut: M4 Heavy Varmint, S3 Varmint, S4 Bull, S1 Sporter, and S2 H-Sporter.

Thread Chart – Non-Prefit

If we thread your barrel, it will come to fit the factory standard tenon length.

Tenon Diameter Pitch
Remington 700 1.0625 16 TPI
Winchester/Ruger M77/ #1 1.00 16 TPI
Defiant- shank length 1.0625 16 TPI
Mauser Large 1.10 12 TPI

Thread Chart – Prefit

If we thread your barrel, it will come to fit the factory standard tenon length.

Tenon Diameter Pitch
Mossberg MVP 1.0625 20 TPI
Ruger Precision Rifle 1.00 16 TPI
Savage Small 1.055 20 TPI
Savage Large 1.120 20 TPI