The Redding #19 VLD Bullet Seating Micrometer (MPN: 09179) is a precision drop-in replacement designed to upgrade standard Redding rifle seating dies. Engineered specifically for high-ballistic-coefficient, long-ogive projectiles, this machined steel micrometer replaces standard factory #19 seating plugs (part 01079). Its internal stem profile contacts bullets directly along the ogive rather than the tip, preventing meplat deformation and eliminating seating depth inconsistencies across cartridges such as .300 Winchester Magnum, .303 British, .300 AAC Blackout, .308 Norma Magnum, and .300 Savage.

Key Features

• Micro-Adjustable Precision: Engraved with clear micrometer graduations in 0.001" increments to provide direct, repeatable seating depth and bullet jump adjustments without trial-and-error caliper measurements.
• VLD Stem Profile: Features a specialised internal cavity contoured for secant and Very Low Drag (VLD) bullet profiles, preventing bullet tip bottoming and protecting fragile meplats.
• Drop-In Installation: Directly integrates into compatible standard bottleneck dies using standard 1/2"-20 TPI threading without requiring die body modifications.
• All-Steel Construction: Manufactured from machined steel for long-term mechanical reliability under repeated benchtop reloading cycles.

Specifications

• Manufacturer Part Number (MPN): 09179
• Thread Specification: 1/2"-20 TPI
• Adjustment Increments: 0.001"
• Internal Plug Contour: #19 VLD (Very Low Drag)
• Material: Machined steel
• Primary Cartridge Compatibility: .300 Winchester Magnum, .303 British, .300 AAC Blackout, .308 Norma Magnum, .300 Savage
• Operation: Manual, mechanical

Who is the Redding #19 VLD Bullet Seating Micrometer for?

• Long-range target shooters handloading 300 Winchester Magnum — Requires precise 0.001" increments to fine-tune bullet jump-to-lands distances and maintain consistent cartridge overall length when seating long-ogive projectiles using standard 1/2"-20 TPI seating dies.
• Reloaders loading 303 British ammunition with VLD bullets — Relies on this seating die micrometer with its 1/2"-20 TPI interface to engage secant bullet ogives properly, preventing the up to 0.025" overall length variations caused by standard seating plugs.

Less suitable for: Handloaders using dedicated competition seating dies with integrated micrometer sleeves, large-body dies requiring 5/8"-18 threads, non-Redding reloading dies, or standard short-tangent and round-nose bullets; these configurations require standard non-VLD micrometer plugs or dedicated large-thread seating stems.