(103531) Proof Research - Barrel Blank - CF - .224 Cal - 7T - Sendero - 24"
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Full specificationsProof Research
(103531) Proof Research - Barrel Blank - CF - .224 Cal - 7T - Sendero - 24" *Clearance*
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Clearance configuration: Barrel Finish Length: 24 in, Twist Rate: 1:7
*Clearance* item. This listing is for the exact configuration shown above, sold as-is at clearance pricing while supplies last. Final sale.
Proof Research's patented manufacturing process begins with full-profile, match-grade 416R stainless steel barrel blanks that are made in their firearms division. These blanks are then turned down to a significantly reduced profile greatly reducing weight. This reduced contour barrel is then wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin developed by their advanced composites division, PROOF Research ACD. The aerospace-grade carbon fiber used has a specific strength up to 30 times that of stainless steel and a specific stiffness up to 7 times greater than steel. Strength and stiffness are only part of the equation. Heat conductivity and thermal expansion are also of paramount importance when developing a match-grade carbon fiber barrel. The helical wrapping pattern favors the longitudinal thermal diffusivity of the carbon fibers (along the length of the barrel) allowing them to more efficiently dissipate heat emanating from the barrel rather than insulating it. Because Proof Research rifle barrels are engineered for thermal performance, they also move heat very effectively through the wall (thickness) of the barrel, greatly increasing heat transport and resulting in barrels that cool faster and maintain accuracy over longer sessions of fire. The end result is an aerospace-grade, high-fiber content composite barrel that is stronger, lighter, as accurate as the finest precision steel barrel, and maintains its accuracy in the most demanding environments. THE ONLY CARBON FIBER-WRAPPED RIFLE BARREL APPROVED FOR USE BY THE U.S. MILITARY.
- Proof Research Premium Match Grade Barrel
- Carbon fiber wrapped stainless steel-Up to 64% lighter than traditional steel barrels of similar contour
- .224 caliber: suitable for cartridges .22-250 Rem, .223 Rem, .220 Swift etc.
- 4 groove rifling
- Improved heat dissipation for cooler and longer lasting barrels
- No point-of-impact shift during high-volume fire
- Unprecedented durability
- This barrel must be chambered, threaded, crowned and installed by a certified Gunsmith
| Length | Sendero Light | Sendero |
| 16.5" | - | 2lbs 8oz |
| 18" | 2lbs 9oz | - |
| 20" | - | 2lbs 14oz |
| 22" | - | 3lbs 2oz |
| 24" | 3lbs 0oz | 3lbs 4oz |
| 26" | - | 3lbs 7oz |
| Measurement | Length/Distance | Diameter |
| A | 2.50" | 1.200" (Shank Diameter) |
| B | 3.19" | 1.200" |
| C | 5.50" | 1.0625" |
| D | 10" | 1.028" |
| E | Barrel Finish Length | 16.5" - .983 18" - 0.972" 20" - 0.958" 22" - 0.943" 24" - 0.929" 26" - 0.914" |
| F | .800" | Dependent on Barrel Finish Length |
| G | To be Removed by Gunsmith | 0.625" (.25-degree Draft) |
*Diameter at 10" is to aid in determining fitment in a stock's barrel channel by representing a typical distance from the breech face to the end of the forearm.
Shipping Notice: Rifle barrels and barreled actions ship for a flat $14.95 per order, regardless of quantity. These items do not qualify for free shipping due to their size and handling requirements.
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Common questions
How do I know the items I'm buying are compatible?
Check the Fitment section above — it lists what this part works with and what it does not. If you are still unsure, call 1-970-242-6166 or use the chat icon at the bottom right of the page — our team builds precision rifles with these parts every day.
Where are you located?
2317 Grand Park Dr Unit 2B Grand Junction, CO 81505. We ship every single order from our own warehouse and take pride in being part of our local hunting and competition shooting community.
I can't find the configuration I need — can you special order it?
Absolutely. Call 1-970-242-6166.
What if there is an issue with the product I ordered?
We will make it right, no matter what. We only carry products from top-tier manufacturers who stand behind them.
Which items need to ship to an FFL?
Only serialized firearm actions and receivers require an FFL transfer. Barrels, stocks, triggers and accessories ship straight to your door.