Industry Leading

Stiller Pre-Fit Barrels

DESIGNED FOR THE ENTHUSIAST

Our Stiller pre-fit carbon fiber & steel barrels are designed to fit the Predator and Tac model actions. Your barrel will arrive chambered/threaded and ready to be installed in a simple operation requiring few specialized tools. Simply torque your barrel on using the proper action wrench and torque setting, double check headspace with proper gauges and head to the range!

Our Stiller pre-fit barrels are here to deliver next level accuracy, performance and durability.

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How to install a shouldered pre-fit barrel

Stiller

Carbon Fiber

Lightweight

Up to 64% lighter than traditional steel barrels of similar contour.

Extreme Temperature Resistance

Improved heat dissipation for cooler and longer lasting barrels.

Unprecedented Durability

Wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin.

Check Compatibility

Choose your Caliber

  • 223 Rem
  • 6 CM
  • 6.5 CM
  • 6.5 PRC
  • 7 SAUM
  • 7MM Rem
  • 308 Win
  • 300 PRC
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
128701 20 8 1/2-28 Sendero 2lbs-11oz $999
Diagram
Part Number 128701
Barrel Length in Inches 20
Twist Rate 8
Muzzle Thread 1/2-28
Contour Sendero
Weight 2lbs-11oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
128770 22 7.5 5/8-24 Sendero 2lbs-12oz $999
Diagram
Part Number 128770
Barrel Length in Inches 22
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-12oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
128961 24 7.5 5/8-24 Sendero 2lbs-15oz $999
Diagram
Part Number 128961
Barrel Length in Inches 24
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-15oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
128763 22 8 5/8-24 Sendero 2lbs-12oz $999
Diagram
Part Number 128763
Barrel Length in Inches 22
Twist Rate 8
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-12oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
128947 24 8 5/8-24 Sendero 2lbs-15oz $999
Diagram
Part Number 128947
Barrel Length in Inches 24
Twist Rate 8
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-15oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
128954 24 7.5 5/8-24 Sendero 2lbs-15oz $999
Diagram
Part Number 128954
Barrel Length in Inches 24
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-15oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
129012 26 7.5 5/8-24 Sendero 3lbs-3oz $999
Diagram
Part Number 129012
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-3oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
128985 24 8.4 5/8-24 Sendero 2lbs-15oz $999
Diagram
Part Number 128985
Barrel Length in Inches 24
Twist Rate 8.4
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-15oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
129036 26 8.4 5/8-24 Sendero 3lbs-3oz $999
Diagram
Part Number 129036
Barrel Length in Inches 26
Twist Rate 8.4
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-3oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
128978 24 8.4 5/8-24 Sendero 2lbs-15oz $999
Diagram
Part Number 128978
Barrel Length in Inches 24
Twist Rate 8.4
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-15oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
129043 26 8.4 5/8-24 Sendero 3lbs-3oz $999
Diagram
Part Number 129043
Barrel Length in Inches 26
Twist Rate 8.4
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-3oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
128718 20 10 5/8-24 Sendero 2lbs-11oz $999
Diagram
Part Number 128718
Barrel Length in Inches 20
Twist Rate 10
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-11oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
128862 24 10 5/8-24 Sendero 2lbs-15oz $999
Diagram
Part Number 128862
Barrel Length in Inches 24
Twist Rate 10
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-15oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
128831 24 9 5/8-24 Sendero 2lbs-15oz $999
Diagram
Part Number 128831
Barrel Length in Inches 24
Twist Rate 9
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-15oz
MSRP $999
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
128930 26 9.4 5/8-24 Sendero 3lbs-3oz $999
Diagram
Part Number 128930
Barrel Length in Inches 26
Twist Rate 9.4
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-3oz
MSRP $999
Diagram
WARNING: PROOF Research does not recommend the use of Copper Creek Cartridge Co. 22 Creedmoor loaded ammunition.
This ammunition is known to be loaded to higher than standard pressures and dangerous conditions may result from its use.

Stiller Pre-Fit

Traditional Steel

Long-Lasting

Excellent erosion wear characteristics and corrosion resistance.

Extreme Pressure Resistance

An optimum combination of high tensile strength along with requisite toughness to withstand extreme chamber pressures encountered during firing.

Check Compatibility

Choose your Caliber

  • 223 Rem
  • 6 Dasher
  • 6 CM
  • 6.5 CM
  • 6.5 PRC
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
129050 26 7 5/8-24 Competition 7lbs-5oz $579
Diagram
Part Number 129050
Barrel Length in Inches 26
Twist Rate 7
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
MSRP $579
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
129098 26 7.5 5/8-24 Competition 7lbs-5oz $579
Diagram
Part Number 129098
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
MSRP $579
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
129081 26 7.5 5/8-24 Competition 7lbs-5oz $579
Diagram
Part Number 129081
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
MSRP $579
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
129067 26 7.5 5/8-24 Competition 7lbs-5oz $579
Diagram
Part Number 129067
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
MSRP $579
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
129180 26 7.5 5/8-24 Competition 7lbs-5oz $579
Diagram
Part Number 129180
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
MSRP $579
Diagram
WARNING: PROOF Research does not recommend the use of Copper Creek Cartridge Co. 22 Creedmoor loaded ammunition.
This ammunition is known to be loaded to higher than standard pressures and dangerous conditions may result from its use.
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