Industry Leading

Impact Precision 737R & 787R Pre-Fit Barrels

Designed For The Enthusiast

PROOF Research pre-fit carbon fiber & steel barrels for the Impact Precision 737R and 787R are to be installed in a simple operation requiring few specialized tools. These barrels come chambered and threaded for an easy install - torque on, ensure headspace with proper gauges and head to the range!

Shot for shot accuracy and performance - there is simply no better choice for the Impact Precision actions than our carbon fiber & steel pre-fit barrels.

Impact Precision 737R & 787R 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

  • 6 CM
  • 6.5 CM
  • 6.5 PRC
  • 7 SAUM
  • 308 Win
  • 300 Win Mag
  • 300 PRC
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123379 737R 22 7.5 5/8-24 Sendero 2lbs-14oz $940
Diagram
Part Number 123379
Action Model 737R
Barrel Length in Inches 22
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-14oz
MSRP $940
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123409 737R 24 7.5 5/8-24 Sendero 3lbs-0oz $940
Diagram
Part Number 123409
Action Model 737R
Barrel Length in Inches 24
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-0oz
MSRP $940
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123386 737R 22 8 5/8-24 Sendero 2lbs-14oz $940
Diagram
Part Number 123386
Action Model 737R
Barrel Length in Inches 22
Twist Rate 8
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-14oz
MSRP $940
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123423 737R 24 8 5/8-24 Sendero 3lbs-0oz $940
Diagram
Part Number 123423
Action Model 737R
Barrel Length in Inches 24
Twist Rate 8
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-0oz
MSRP $940
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123430 737R 24 7.5 5/8-24 Sendero 3lbs-0oz $940
Diagram
Part Number 123430
Action Model 737R
Barrel Length in Inches 24
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-0oz
MSRP $940
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123447 737R 26 7.5 5/8-24 Sendero 3lbs-3oz $940
Diagram
Part Number 123447
Action Model 737R
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-3oz
MSRP $940
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123621 737R 22 8.4 5/8-24 Sendero 2lbs-14oz $940
Diagram
Part Number 123621
Action Model 737R
Barrel Length in Inches 22
Twist Rate 8.4
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-14oz
MSRP $940
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123638 737R 24 8.4 5/8-24 Sendero 3lbs-0oz $940
Diagram
Part Number 123638
Action Model 737R
Barrel Length in Inches 24
Twist Rate 8.4
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-0oz
MSRP $940
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123362 737R 20 10 5/8-24 Sendero 2lbs-11oz $940
Diagram
Part Number 123362
Action Model 737R
Barrel Length in Inches 20
Twist Rate 10
Muzzle Thread 5/8-24
Contour Sendero
Weight 2lbs-11oz
MSRP $940
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
130681 787R 24 9.4 5/8-24 Sendero 3lbs-0oz $940
Diagram
Part Number 130681
Action Model 787R
Barrel Length in Inches 24
Twist Rate 9.4
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-0oz
MSRP $940
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
130698 787R 26 9.4 5/8-24 Sendero 3lbs-3oz $940
Diagram
Part Number 130698
Action Model 787R
Barrel Length in Inches 26
Twist Rate 9.4
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-3oz
MSRP $940
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
129524 787R 24 9 5/8-24 Sendero 3lbs-0oz $940
Diagram
Part Number 129524
Action Model 787R
Barrel Length in Inches 24
Twist Rate 9
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-0oz
MSRP $940
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
129531 787R 26 9 5/8-24 Sendero 3lbs-3oz $940
Diagram
Part Number 129531
Action Model 787R
Barrel Length in Inches 26
Twist Rate 9
Muzzle Thread 5/8-24
Contour Sendero
Weight 3lbs-3oz
MSRP $940
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.

Impact Precision 737R & 787R 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
  • 308 Win
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123317 737R 26 7 5/8-24 Competition 7lbs-5oz $545
Diagram
Part Number 123317
Action Model 737R
Barrel Length in Inches 26
Twist Rate 7
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
MSRP $545
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123324 737R 26 7.5 5/8-24 Competition 7lbs-5oz $545
Diagram
Part Number 123324
Action Model 737R
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
MSRP $545
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123331 737R 26 7.5 5/8-24 Competition 7lbs-5oz $545
Diagram
Part Number 123331
Action Model 737R
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
MSRP $545
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123355 737R 26 8 5/8-24 Competition 7lbs-5oz $545
Diagram
Part Number 123355
Action Model 737R
Barrel Length in Inches 26
Twist Rate 8
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
MSRP $545
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
123478 737R 26 7.5 5/8-24 Competition 7lbs-5oz $545
Diagram
Part Number 123478
Action Model 737R
Barrel Length in Inches 26
Twist Rate 7.5
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
MSRP $545
Diagram
Part Number Action Model Barrel Length in Inches Twist Rate Muzzle Thread Contour Weight MSRP
130636 737R 26 10 5/8-24 Competition 7lbs-5oz $545
Diagram
Part Number 130636
Action Model 737R
Barrel Length in Inches 26
Twist Rate 10
Muzzle Thread 5/8-24
Contour Competition
Weight 7lbs-5oz
MSRP $545
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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