Which specific Redding powder measures are compatible with the 03003 drop tube?

The Redding 03003 drop tube is designed as a direct factory replacement for Redding mechanical powder measures, specifically fitting the Model 3, Model 3BR, and Competition Model 3BR. It serves as an OEM drop-in component that requires no modification to your existing bench-mounted powder measure assembly.

Can I use the Redding 03003 drop tube with small-calibre cases like .17 or .20 calibre?

The standard 03003 drop tube accommodates case mouths down to .22 calibre. For small-calibre cases smaller than .22 calibre, such as .17 to .20, you will need a dedicated .17–.20 Calibre Drop Tube Adapter to prevent powder spillage and bridging during the charging stroke.

Is this drop tube safe to use with black powder on my reloading bench?

No. Redding explicitly states that their standard powder measures and components must not be used with black powder due to severe spark and combustion safety hazards. This product is strictly designed for use with standard smokeless propellants including extruded, flake, and ball powders.

Does the Redding 03003 drop tube require any electrical compliance or SAA/RCM certification in Australia?

No electrical compliance or SAA/RCM certification is required because the Redding 03003 is a purely mechanical, non-powered reloading accessory. It operates entirely manually without electricity, making it straightforward to set up on your reloading bench for Australian target and benchrest shooters.

Powder Measure Drop Tube - Redding 03003

The Redding Powder Measure Drop Tube (All) is a factory replacement component designed to funnel metered propellant charges smoothly from a powder measure drum into cartridge cases. Moulded from a green-tinted translucent polymer, this drop tube allows reloaders to maintain visual confirmation of the powder flow during the charging stroke, helping prevent undetected powder bridging or retention. It installs directly into compatible Redding bench-mounted powder measures without requiring modifications to the dispensing assembly.

Key Features

Visual Flow Confirmation: Fabricated from translucent tinted polymer so reloaders can verify complete charge evacuation and identify powder hang-ups immediately.
Direct OEM Fit: Engineered as a direct drop-in replacement part (MPN: 03003) for factory powder measure units.
Broad Calibre Versatility: Direct interface designed to accommodate standard rifle and handgun case mouths starting from .22 calibre.
Purely Mechanical Operation: Requires no electrical connection or external power source on the reloading bench.

Specifications

Manufacturer Part Number (MPN): 03003
Material: Translucent moulded polymer (tinted green)
Packaged Shipping Weight: Approximately 41 g (0.091 lbs)
Calibre Compatibility: .22 calibre up to standard rifle and pistol case mouths
Powder Compatibility: Standard smokeless propellants (extruded, flake, ball)
Hardware Compatibility: Redding Model 3, Model 3BR, and Competition Model 3BR powder measures

Who is the Redding Powder Measure Drop Tube (All) for?

Reloaders operating Redding bench measures — Direct OEM compatibility with Model 3, Model 3BR, and Competition Model 3BR measures provides a drop-in replacement weighing just 41 g (approx. 0.091 lbs) to restore standard dispensing functionality without altering the original assembly.
Benchrest and target shooters hand-loading standard calibres — The translucent polymer construction funnels smokeless charges into case mouths starting from a .22 calibre minimum threshold while allowing immediate visual verification of powder flow to catch bridging.

Less suitable for: Small-calibre cases smaller than .22 calibre (such as .17 to .20 calibre), which require a dedicated sub-calibre drop tube adapter to prevent spillage, or muzzleloading applications, as this component must not be used with black powder due to combustion hazards.

SKU	RD41410LP
Model #	03003
Brand	Redding
Shipping Weight	1.0000kg

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Redding 03003 Powder Measure Drop Tube Polymer Translucent

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