Lyman MSR Precision 3-Die Set .300 Blackout

Lyman MSR Precision Die System for .300 Blackout

Lyman engineered the MSR Precision die sets specifically for modern sporting rifle ammunition, making them an essential tool for anyone serious about reloading for their AR-platform rifle.

What's Included

• Small Base Size die for smooth, reliable chambering
• Separate Taper Crimp die for consistent, tight bullet grip
• Ammo Checker cartridge "Go" gauge for quality control
• Shell holder
• Sturdy clear storage case with black finish

Key Features

Small Base Sizing Die — Engineered to produce ammunition that chambers smoothly in semi-automatic rifles, where standard full-length sizing may not provide the tight tolerances needed for reliable feeding.

Separate Taper Crimp Die — Provides independent control over the crimp operation, ensuring a secure bullet grip without over-crimping that can damage brass or affect bullet seating.

Ammo Checker Gauge — Included "Go" gauge allows you to verify that finished rounds meet minimum chamber specifications before firing, adding an extra layer of quality assurance to your reloading process.

Practical Storage — The black finish storage case matches modern rifle aesthetics and keeps your dies organized and protected.

Whether you're loading subsonic rounds for suppressed shooting or supersonic ammunition for hunting, this die set gives you the precision tools needed for consistent, reliable .300 Blackout ammunition.