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  1. Proof Research Barrel AR-10, LR-308 308 Winchester 1 in 10" Twist Carbon Fiber
    Proof Research Barrel AR-10, LR-308 308 Winchester 1 in 10" Twist C...
    $829.00
    MSRP: $940.00
    Available View More Options
  2. Proof Research Barrel AR-10, LR-308 6.5 Creedmoor CAMGAS Length Gas Port with Gas Tube 1 in 8" Tw...
    Proof Research Barrel AR-10, LR-308 6.5 Creedmoor CAMGAS Length Gas...
    $829.00
    MSRP: $940.00
    Mixed Availability View More Options
  3. Proof Research Barrel AR-15 6.5 Grendel Rifle Length Gas Port 1 in 8" Twist 20" Carbon Fiber
    Proof Research Barrel AR-15 6.5 Grendel Rifle Length Gas Port 1 in ...
    $799.00
    • {{fee.amount}} {{fee.description}}
    MSRP: $920.00
    Available
  4. Proof Research Barrel AR-15 300 AAC Blackout Carbon Fiber
    Proof Research Barrel AR-15 300 AAC Blackout Carbon Fiber
    $799.00
    MSRP: $920.00
    Available View More Options
  5. Proof Research Barrel Blank 243 Caliber 1 in 7.5" Twist Stainless Steel
    Proof Research Barrel Blank 243 Caliber 1 in 7.5" Twist Stainless S...
    $329.00
    MSRP: $375.00
    Mixed Availability View More Options
  6. Proof Research Barrel AR-15 223 Remington (Wylde) Stainless Steel
    Proof Research Barrel AR-15 223 Remington (Wylde) Stainless Steel
    $459.00
    MSRP: $520.00
    Mixed Availability View More Options
  7. Proof Research Barrel AR-10, LR-308 6.5 Creedmoor CAMGAS Length Gas Port with Gas Tube 1 in 8" Tw...
    Proof Research Barrel AR-10, LR-308 6.5 Creedmoor CAMGAS Length Gas...
    $479.00
    • {{fee.amount}} {{fee.description}}
    MSRP: $545.00
    Available
  8. Proof Research Barrel AR-15 223 Remington (Wylde) 1 in 8" Twist Carbon Fiber
    Proof Research Barrel AR-15 223 Remington (Wylde) 1 in 8" Twist Car...
    $799.00 - $829.00
    MSRP: $920.00 - $940.00
    Mixed Availability View More Options
  9. Proof Research Barrel Savage Pre-Fit Standard Shank 300 Winchester Magnum 1 in 9.4" Twist 5-Groov...
    Proof Research Barrel Savage Pre-Fit Standard Shank 300 Winchester ...
    $829.00
    MSRP: $940.00
    Available View More Options
  10. Proof Research Barrel Ruger Precision Rifle Pre-Fit 308 Winchester 1 in 10" Twist 5-Groove 20" 5/...
    Proof Research Barrel Ruger Precision Rifle Pre-Fit 308 Winchester ...
    $829.00
    • {{fee.amount}} {{fee.description}}
    MSRP: $940.00
    Available
  11. Proof Research Barrel Savage Pre-Fit Standard Shank 6.5 Creedmoor 1 in 8" Twist 4-Groove 24" 5/8"...
    Proof Research Barrel Savage Pre-Fit Standard Shank 6.5 Creedmoor 1...
    $829.00
    • {{fee.amount}} {{fee.description}}
    MSRP: $940.00
    Available
  12. Proof Research Barrel AR-15 22 Nosler CAMGAS Length Gas Port with Gas Tube 1 in 8" Twist 22" Carb...
    Proof Research Barrel AR-15 22 Nosler CAMGAS Length Gas Port with G...
    $799.00
    • {{fee.amount}} {{fee.description}}
    MSRP: $920.00
    Available
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