What powder measures and calibres is the Redding 03815 drop tube adapter compatible with?

The Redding 03815 adapter is specifically engineered for use with the Redding Competition LR-1000 powder measure to load large-capacity .50 calibre cartridge cases. It features a 1-5/8 inch length and is designed specifically for .50 calibre case mouths. If you are reloading smaller calibres ranging from .22 through .30 calibre, you will need the alternative Redding #03814 adapter instead.

How do I install the Redding 03815 drop tube adapter onto my powder measure?

Installation requires no tools or set screws, utilizing a simple push-and-twist friction slip-fit design. It easily attaches directly over the existing drop tube assembly on your Redding LR-1000 powder measure. This secure friction fit allows you to quickly attach or remove the adapter during your reloading sessions.

What material is the 03815 drop tube made of, and how does it help with large powder charges?

The adapter is constructed from durable, transparent green Lexan, an impact-resistant polymer that protects case mouths from deformation upon contact. The translucent body allows you to visually monitor powder flow and stacking, which prevents bridging especially when dispensing large charges of stick-type powders into heavy brass like .50 BMG.

Does this product require any electrical certification or compliance for use in Australia?

No electrical compliance, such as 240V or SAA/RCM certification, is required for the Redding 03815. It is a 100% mechanical, passive reloading accessory containing no electrical or electronic components, making it straightforward to use on your Australian reloading bench.

50 Cal Drop Tube Adapter - Redding 03815

The Redding 03815 Drop Tube Adapter for the LR-1000 Powder Measure is a dedicated reloading component engineered to direct powder charges into .50 calibre cartridge cases. Manufactured from translucent green impact-resistant Lexan polymer, this non-powered mechanical fitting measures 1-5/8 inches (approximately 41.3 mm) in length. It mounts to the Redding Competition Model LR-1000 Powder Measure via a tool-free, push-and-twist friction slip-fit design, creating a seamless conduit between the powder measure assembly and large-bore case necks while protecting case mouths from deformation.

Key Features

Direct Large-Bore Interface: Engineered specifically to fit .50 calibre case mouths, preventing powder spillage and bridging during high-volume charge throws.
LR-1000 Compatibility: Designed exclusively for the Redding Competition LR-1000 powder measure assembly to handle high-capacity charge volumes between 25 and 140+ grains.
Translucent Lexan Construction: Impact-resistant green polymer allows the reloader to visually inspect powder flow and confirm complete discharge into the case.
Tool-Free Friction Fit: Simple push-and-twist slip-fit allows quick installation and removal without set screws or bench tools.

Specifications

Manufacturer Part Number (MPN): 03815
Category: Powder measure drop tube adapter
Material: Translucent impact-resistant polymer (Lexan)
Length: 1-5/8 inches (~41.3 mm)
Estimated Weight: ~15–30 grams
Calibre Compatibility: .50 calibre (including .50 BMG)
Powder Measure Compatibility: Redding Competition Model LR-1000
Power Requirements: 0V / Passive mechanical

Who is the Redding LR-1000 .50 Calibre Drop Tube Adapter for?

.50 BMG target shooting reloaders — requires an exact interface for .50 calibre case mouths to funnel large-grain powder charges directly from the LR-1000 measure without spillage or case mouth damage.
Long-range rifle handloaders — uses a compact 1-5/8 inches (41.3 mm) length drop tube adapter to maintain a short, efficient drop path when charging large-capacity .50 calibre precision cartridges.

Less suitable for: Handloaders charging cartridge case necks measuring from .22 through .30 calibre, which require a smaller-diameter drop tube adapter designed for standard rifle calibres (such as part #03814).

SKU	RD102513LP
Model #	03815
Brand	Redding
Shipping Weight	0.1000kg

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Redding 03815 Drop Tube Adapter Lr-1000 Powder Measure 50 Caliber

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