What size range does the Redding 16276 tapered size button handle?

The Redding 16276 tapered size button is specifically engineered to open smaller rifle cartridge case necks up to .270 caliber starting from as small as .22 caliber. It features a nominal sizing diameter of .276 inches to achieve the correct .277 inch final bullet diameter.

What dies and decapping rods are compatible with this Redding expander button?

This component is compatible with standard Redding full-length sizing dies, neck sizing dies, and Type S Bushing Dies that feature decapping rods threaded to accept standard Redding size buttons. Note that the decapping rod itself is not included with this part.

Do I need to use any special lubrication when sizing brass with this steel button?

Yes, inside-neck lubrication such as Redding Imperial Sizing Die Wax is required during the sizing process to prevent excessive neck friction or shoulder buckling. Using proper lube ensures smooth drawing of the brass over the extended taper profile.

Can I use this button to expand cartridge cases beyond .270 caliber?

No, this specific model is limited to a maximum expansion of .270 caliber. If you are working with larger calibers such as 7mm or .30 caliber, you must step up to caliber-specific tapered buttons like the Redding 16283 for 7mm or the 16307 for .30 cal.

Redding 16276 Tapered Size Button - Redding 16276

The Redding Tapered Size Button From 22 To 270 Cal (MPN 16276) is a precision-machined steel expander button engineered to open smaller rifle cartridge case necks up to .270 caliber during resizing. Designed with an extended, gradual taper profile, it draws through case necks smoothly to minimize physical drag, reduce brass neck stretch, and protect concentricity. Measuring under 25 mm in length with an approximate weight of 10 to 20 grams, this non-powered reloading component threads directly onto decapping rods in standard Redding full-length sizing dies, neck sizing dies, and Type S Bushing Dies.

Key Features

Extended Taper Profile: Smoothly expands bottleneck case mouths starting from .22 caliber (0.224") up to .270 caliber in a single step without crushing case necks.
Reduced Friction and Runout: Lowers the resistance experienced with standard abrupt expander balls, helping to minimize brass neck stretching and runout.
Die Compatibility: Threads onto standard Redding decapping rods used in Redding full-length, neck sizing, and Type S Bushing reloading dies.
Precision Steel Construction: Precision-turned steel component built for routine case preparation, case forming, and wildcat neck-up conversions.

Specifications

Manufacturer Part Number (MPN): 16276
Nominal Bullet Diameter: .277"
Nominal Sizing Diameter: .276"
Expansion Range: .22 caliber up to .270 caliber
Overall Length: Under 25 mm
Weight: Approximately 10 to 20 grams
Material: Precision-turned steel
Lubrication Requirement: Inside-neck lubrication required during operation

Who is the Redding Tapered Size Button From 22 To 270 Cal for?

Handloaders forming wildcat or parent cartridge cases — requires expanding parent brass starting from .22 caliber directly up to a .276" nominal sizing diameter in a single stage without buckling case shoulders.
Precision shooters resizing .270 caliber rifle brass — benefits from this reloading press expander button providing a gradual transition to the .277" nominal bullet diameter to reduce neck stretch and runout in .270 Winchester and .270 WSM cases.

Less suitable for: Handloaders expanding cases beyond .270 caliber, such as 7mm (.284") or .30 caliber (.308"), who require larger caliber-specific tapered expander buttons, or those seeking dry neck sizing without inside-neck lubrication who need dedicated carbide expander kits.

SKU	RD41468LP
Model #	16276
Brand	Redding
Shipping Weight	1.0000kg

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Redding 16276 Tapered Size Button 270 Caliber Steel

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