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Lock-N-Load 234/678 Comparator Set 6Proper length rounds are fundamental to accuracy. Make precise measurements with this tool.
Includes:
- Comparator body
- Insert: .224" (5.56mm)
- Insert: .243" (6mm)
- Insert: .257"
- Insert: .277"
- Insert: .284" (7mm)
- Insert: .308" (7.62&8mm)
