Designed for use in the Lock-N-Load Headspace Gauge these bushings are machined to exacting tolerances to ensure reliable results every time you use them. The Lock-N-Load Headspace Gauge allows the reloader to precisely measure cases while sizing them for a perfect fit in any firearm.

• For use with the Hornady Headspace Comparator
• Provides the ability to check most bottleneck cases from .17 REM through belted Magnums (See description for models that apply to this size)
• Extend brass life improve accuracy and enhance safety
• All bushing are interchangeable with the Comparator
• Bullet comparator and calipers sold separately
• E-.420" 284 WIN 7mm Rem MAG 300 WIN MAG 8mm Rem MAG 338 WIN MAG 375 H&H 7mm STW 7mm Ultra MAG 300 Ultra Mag 300 WSM 338 Ultra