The Vortex Crossfire II 1Inch 3-9×40 Dead-Hold BDC is a 1-inch tube riflescope with variable magnification and a bullet-drop-compensating reticle designed for hunting and precision shooting.
This scope combines the versatility of a 3-9x magnification range with a Dead-Hold BDC reticle that provides holdover reference points for compensating bullet drop at extended distances. The 1-inch tube diameter fits standard scope rings on most hunting rifles and tactical platforms.
Whether you’re zeroing for white-tail distances or dialing in for varmint work, the Crossfire II series delivers the glass and reticle system shooters need without unnecessary bulk or complexity.
Key Facts
Brand: Vortex
Model: Crossfire II CF2-31007
Magnification Range: 3-9x
Objective Lens: 40mm
Tube Diameter: 1 inch
Reticle: Dead-Hold BDC
Understanding the Dead-Hold BDC Reticle
A BDC reticle—short for bullet-drop compensator—features multiple aiming points stacked vertically below the center crosshair. Each hash mark corresponds to a specific distance once the scope is zeroed, allowing you to hold over instead of dialing elevation adjustments.
The Dead-Hold BDC in the Crossfire II provides hash marks and dots calibrated for common hunting cartridges. You zero at your preferred close-range distance, then use the lower marks for longer shots without touching the turret. This speeds up follow-up shots and works well for hunters who want simple, repeatable holdovers in the field.
Why a 1-Inch Tube Riflescope
A 1-inch main tube is the traditional standard for hunting optics. It accepts widely available scope rings and mounts, making this Crossfire II compatible with nearly every hunting rifle and many tactical platforms already set up for 1-inch rings.
The 3-9x magnification range offers low-power flexibility for close brush shots and enough top-end magnification for clean hits at moderate hunting distances. This range suits deer rifles, predator guns, and general-purpose bolt actions across the widest variety of terrain.
If you need a different magnification range or objective size, browse our full selection of riflescopes to compare other models and reticle options.
Mounting and Compatibility
The Crossfire II 1-inch tube fits any standard 1-inch scope rings. Most hunting rifles and AR-platform uppers with Picatinny or Weaver-style rails accept these rings without modification.
Confirm ring height based on your rifle’s stock dimensions and the objective bell clearance. Send us a message if you need help matching rings to your platform or ordering a complete mounting solution.
Ordering from Western Sport
Order online and it ships straight to your door. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.
Frequently Asked Questions
Q: What magnification does the Vortex Crossfire II CF2-31007 offer?
A: The Vortex Crossfire II CF2-31007 offers 3-9x variable magnification. This range provides low-power versatility for close shots and enough magnification for moderate hunting and target distances.
Q: What is a Dead-Hold BDC reticle and how does it work?
A: A Dead-Hold BDC reticle features vertical hash marks and dots below the center crosshair that correspond to bullet drop at increasing distances. Once you zero the scope at your chosen range, you use the lower marks to hold over for longer shots without adjusting turrets, speeding up your follow-up and simplifying range estimation in the field.
Q: Will this Crossfire II fit my rifle?
A: The Crossfire II has a 1-inch tube diameter and fits any standard 1-inch scope rings. Most hunting rifles and tactical platforms with Picatinny or Weaver rails accept these rings.
Q: What size objective lens does the Crossfire II 3-9x have?
A: The Crossfire II 3-9x has a 40mm objective lens. The 40mm diameter balances light transmission and a compact profile, keeping overall weight manageable while providing adequate brightness for dawn and dusk hunting.
Q: Can I use the Vortex Crossfire II for both hunting and target shooting?
A: Yes, the Crossfire II 3-9×40 suits both hunting and recreational target shooting. The Dead-Hold BDC reticle works well for hunters who need fast holdovers in the field, and the magnification range handles range sessions and precision practice at moderate distances.
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