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Lone Peak Arms Pre-Fit Barrels

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DESIGNED FOR THE ENTHUSIAST

PROOF Research pre-fit carbon fiber & steel barrels are designed to fit the Fuzion, Fuzion Ti, Razor & Razor Ti actions from Lone Peak Arms. 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 Lone Peak Arms pre-fit barrels are here to deliver extreme accuracy, performance and reliability.

DISCLAIMER:
- Some older actions (made before Fall 2019) do not have timed threads and headspace may vary slightly. It is recommended to double check headspace after the barrel is installed.
- Due to variance in actions we do not guarantee the timing and alignment of the barrel engraving to your stock line.

Chamber Specs and Dimensions

Lone Peak Arms Pre-Fit

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
  • 22 CM
  • 6 CM
  • 25 CM
  • 6.5 CM
  • 6.5 PRC
  • 7 PRC
  • 7 BC
  • 308 Win
  • 300 Win Mag
  • 300 PRC
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
142912 20 8 5/8-24 Sendero 2lbs-11oz Purchase Diagram
Part Number 142912
Barrel Length in Inches 20
Twist Rate 8
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-11oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
139059 20 8 5/8-24 Sendero 2lbs-11oz Purchase Diagram
Part Number 139059
Barrel Length in Inches 20
Twist Rate 8
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-11oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
139066 22 8 5/8-24 Sendero 2lbs-13oz Purchase Diagram
Part Number 139066
Barrel Length in Inches 22
Twist Rate 8
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-13oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
133286 22 7.5 5/8-24 Sendero 2lbs-14oz Purchase Diagram
Part Number 133286
Barrel Length in Inches 22
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-14oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
133309 24 7.5 5/8-24 Sendero 3lbs-0oz Purchase Diagram
Part Number 133309
Barrel Length in Inches 24
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-0oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
144220 22 7.5 5/8-24 Sendero 2lbs-12oz Purchase Diagram
Part Number 144220
Barrel Length in Inches 22
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-12oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
144237 24 7.5 5/8-24 Sendero 2lbs-15oz Purchase Diagram
Part Number 144237
Barrel Length in Inches 24
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-15oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
153215 22 7.5 5/8-24 Sendero 2lbs-14oz Purchase Diagram
Part Number 153215
Barrel Length in Inches 22
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-14oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
153222 24 7.5 5/8-24 Sendero 3lbs-0oz Purchase Diagram
Part Number 153222
Barrel Length in Inches 24
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-0oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
137291 22 7.5 5/8-24 Sendero 2lbs-11oz Purchase Diagram
Part Number 137291
Barrel Length in Inches 22
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-11oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
133323 24 7.5 5/8-24 Sendero 3lbs-0oz Purchase Diagram
Part Number 133323
Barrel Length in Inches 24
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-0oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
136577 22 8 5/8-24 Sendero 2lbs-11oz Purchase Diagram
Part Number 136577
Barrel Length in Inches 22
Twist Rate 8
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-11oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
134719 24 8 5/8-24 Sendero 2lbs-15oz Purchase Diagram
Part Number 134719
Barrel Length in Inches 24
Twist Rate 8
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-15oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
145852 20 8 5/8-24 Sendero 2lbs-10oz Purchase Diagram
Part Number 145852
Barrel Length in Inches 20
Twist Rate 8
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-10oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
133279 20 10 5/8-24 Sendero 2lbs-11oz Purchase Diagram
Part Number 133279
Barrel Length in Inches 20
Twist Rate 10
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-11oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
133361 24 10 5/8-24 Sendero 2lbs-14oz Purchase Diagram
Part Number 133361
Barrel Length in Inches 24
Twist Rate 10
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-14oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
137321 22 9 5/8-24 Sendero 2lbs-10oz Purchase Diagram
Part Number 137321
Barrel Length in Inches 22
Twist Rate 9
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-10oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
133347 24 9 5/8-24 Sendero 2lbs-14oz Purchase Diagram
Part Number 133347
Barrel Length in Inches 24
Twist Rate 9
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-14oz
Purchase Purchase
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.

Lone Peak Arms 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
  • 22 CM
  • 6 Dasher
  • 6 GT
  • 6 CM
  • 25 CM
  • 6.5 CM
  • 6.5 PRC
  • 7 PRC
  • 308 Win
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
133217 26 7 5/8-24 Competition 7lbs-5oz Purchase Diagram
Part Number 133217
Barrel Length in Inches 26
Twist Rate 7
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
146958 26 7 5/8-24 Heavy Competition 8lbs-12oz Purchase Diagram
Part Number 146958
Barrel Length in Inches 26
Twist Rate 7
Muzzle Thread 5/8-24
Contour Heavy Competition
Weight 8lbs-12oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
143582 26 8 5/8-24 Competition 7lbs-5oz Purchase Diagram
Part Number 143582
Barrel Length in Inches 26
Twist Rate 8
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
146965 26 8 5/8-24 Heavy Competition 8lbs-12oz Purchase Diagram
Part Number 146965
Barrel Length in Inches 26
Twist Rate 8
Muzzle Thread 5/8-24
Contour Heavy Competition
Weight 8lbs-12oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
133224 26 7.5 5/8-24 Competition 7lbs-5oz Purchase Diagram
Part Number 133224
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
146989 26 7.5 5/8-24 Heavy Competition 8lbs-12oz Purchase Diagram
Part Number 146989
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Heavy Competition
Weight 8lbs-12oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
133538 26 7.5 5/8-24 Competition 7lbs-5oz Purchase Diagram
Part Number 133538
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
146972 26 7.5 5/8-24 Heavy Competition 8lbs-12oz Purchase Diagram
Part Number 146972
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Heavy Competition
Weight 8lbs-12oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
133231 26 7.5 5/8-24 Competition 7lbs-5oz Purchase Diagram
Part Number 133231
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
146996 26 7.5 5/8-24 Heavy Competition 8lbs-12oz $749 Purchase Diagram
Part Number 146996
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Heavy Competition
Weight 8lbs-12oz
MSRP $749
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
144213 26 7.5 5/8-24 Competition 7lbs-5oz Purchase Diagram
Part Number 144213
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
147009 26 7.5 5/8-24 Heavy Competition 8lbs-12oz Purchase Diagram
Part Number 147009
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Heavy Competition
Weight 8lbs-12oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
153239 26 7.5 5/8-24 Competition 7lbs-5oz Purchase Diagram
Part Number 153239
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Weight
153246 26 7.5 5/8-24 8lbs-12oz Purchase Diagram
Part Number 153246
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Weight 8lbs-12oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
133262 26 7.5 5/8-24 Competition 7lbs-5oz Purchase Diagram
Part Number 133262
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
147023 26 7.5 5/8-24 Heavy Competition 8lbs-12oz Purchase Diagram
Part Number 147023
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Heavy Competition
Weight 8lbs-12oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
138434 26 8 5/8-24 Competition 7lbs-6oz Purchase Diagram
Part Number 138434
Barrel Length in Inches 26
Twist Rate 8
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-6oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
147030 26 8 5/8-24 Heavy Competition 8lbs-12 Purchase Diagram
Part Number 147030
Barrel Length in Inches 26
Twist Rate 8
Muzzle Thread 5/8-24
Contour Heavy Competition
Weight 8lbs-12
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
133255 26 10 5/8-24 Competition 7lbs-5oz Purchase Diagram
Part Number 133255
Barrel Length in Inches 26
Twist Rate 10
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
Purchase Purchase
Diagram
Part Number Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight
147047 26 10 5/8-24 Heavy Competition 8lbs-12oz Purchase Diagram
Part Number 147047
Barrel Length in Inches 26
Twist Rate 10
Muzzle Thread 5/8-24
Contour Heavy Competition
Weight 8lbs-12oz
Purchase Purchase
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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