What Stock Diameter for a 0.8 Rifle Barrel? Understanding Barrel Blanks and Stock Selection
Choosing the correct stock diameter for a 0.8" rifle barrel is crucial for a safe, accurate, and aesthetically pleasing firearm. This isn't simply about finding a tube that fits; it involves understanding the relationship between barrel dimensions, stock design, and overall rifle performance. Let's break down the key considerations:
Understanding Barrel Dimensions:
A 0.8" rifle barrel refers to the bore diameter, the internal diameter of the barrel through which the projectile travels. However, the external diameter (the measurement across the outside of the barrel) is what determines the stock's required dimensions. This external diameter varies depending on the barrel's construction – the wall thickness, material, and any added features like fluting or a threaded muzzle. You'll need to measure your specific barrel's external diameter accurately. A digital caliper is a worthwhile investment for this task.
Stock Types and Diameter Requirements:
Different rifle stocks are designed to accommodate varying barrel diameters. The stock's channel, the area where the barrel sits, needs sufficient clearance to prevent binding or undue stress on the barrel. Too loose a fit can lead to instability, while too tight a fit might damage the barrel or stock.
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Standard Stocks: Many standard stocks are designed with a channel to accommodate a range of barrel diameters. However, they might not perfectly accommodate a 0.8" barrel without some minor fitting or bedding. Check the manufacturer's specifications for the range of barrel diameters the stock supports.
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Custom Stocks: Custom stocks offer the highest degree of customization, allowing for a perfect fit to your specific barrel diameter. This is the preferred option for ultimate accuracy and stability.
Factors Influencing Stock Diameter Selection:
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Barrel Material: The material of your barrel (stainless steel, carbon steel, etc.) will slightly influence the external diameter.
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Barrel Contour: Different barrel contours (e.g., heavy varmint, sporter, light target) affect the external diameter. A heavy barrel will generally have a larger external diameter than a lighter profile barrel.
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Free-Floating vs. Non-Free-Floating: A free-floating barrel needs more clearance within the stock to prevent contact, which can negatively impact accuracy. Non-free-floating barrels have a tighter fit within the stock.
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Handguards: If using a handguard, its inner diameter and mounting system also need to be compatible with the barrel and stock.
Determining the Correct Diameter:
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Measure your barrel's external diameter precisely using a digital caliper. This is the most critical step.
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Consult the stock manufacturer's specifications: Look for the minimum and maximum barrel diameters the stock can accommodate.
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Consider stock bedding: If bedding the barrel into the stock, you might need a slightly smaller stock diameter to allow for bedding compound.
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If in doubt, contact the stock manufacturer or a gunsmith: They can provide expert advice and help you choose the appropriate stock diameter for your specific barrel.
Conclusion:
Selecting the right stock diameter for your 0.8" rifle barrel is not a one-size-fits-all process. Accurate measurement and understanding of your specific barrel and stock requirements are crucial for optimal performance and safety. Remember, professional assistance from a qualified gunsmith is always recommended for critical fitting and installation.
