Description
The Crimson Trace Hardline 4-16×42 gives you a magnification range that covers a lot of ground, from mid-range plinking at 4x all the way up to 16x when you want to reach out and pick apart a target. Built on a 30mm aerospace aluminum main tube, it has the backbone for the kind of adjustment travel long-range shooting demands, and the whole optic is nitrogen purged, waterproof, and shockproof so it holds up when the weather turns or the recoil starts stacking up.
What the Hardline 4-16×42 Brings to the Bench
The glass is fully multi-coated with Crimson Trace's proprietary lens coatings, which cut glare and pull in enough light to keep the picture bright in that first and last hour of daylight. The 42mm objective strikes a nice balance, gathering plenty of light without sitting so tall that mounting becomes a headache. A side focus parallax knob lets you sharpen the image and clean up parallax as your distance to target changes, which matters a lot once you're stretching things past a few hundred yards.
Dialing In the BDC Long Range Reticle
This model runs the CT Custom BDC Long Range reticle in the second focal plane, so the reticle stays the same visual size no matter where you set the zoom. That keeps the aiming points clean and uncluttered, and the holdover marks give you a fast reference for shooting at extended distances without dialing every time. Turret adjustments move in 1/4 MOA clicks for fine, repeatable tuning, and the quick spring-loaded zero reset turrets let you sight in and reset to zero without any tools.
Crimson Trace backs every Hardline scope with a full lifetime warranty, which says a lot about how they expect these to hold up over the long haul. For a hunter chasing game across open country or someone building out a precision rig for range days, this is a lot of capable optic in one package.
Key Specifications
- Magnification: 4-16x
- Objective Diameter: 42mm
- Tube Diameter: 30mm
- Reticle: CT Custom BDC Long Range
- Focal Plane: Second Focal Plane (SFP)
- Adjustment Click Value: 1/4 MOA
- Turrets: Exposed, spring-loaded zero reset
- Parallax: Side focus adjustment
- Eye Relief: 3.70 in
- Illumination: Non-Illuminated
- Material: Aerospace aluminum
- Finish: Matte Black Anodized
- Weight: 20.6 oz
- Length: 19.4 in
- MPN: 01-01190
- UPC: 810048570300
What’s Included
- Crimson Trace Hardline 4-16×42 riflescope
- Lifetime protection warranty
Frequently Asked Questions
Is the Hardline 4-16×42 a first or second focal plane scope?
It's a second focal plane optic, meaning the BDC Long Range reticle stays the same visual size as you zoom in and out. Your holdover subtensions are calibrated to work at the highest magnification. That's typical for a scope in this price range and works great for hunting and general precision shooting.
How do the turrets work on the Crimson Trace Hardline 4-16×42?
The scope uses exposed, quick spring-loaded zero reset turrets that adjust in 1/4 MOA clicks. Once you're sighted in, you can reset the turret to zero without needing any tools. That makes it easy to dial your elevation for distance and return to your baseline zero quickly.
What kind of shooting is the Hardline 4-16×42 best suited for?
The 4-16x magnification range and BDC Long Range reticle make it a solid fit for long-range target work and hunting at extended distances. The 30mm tube and side focus parallax adjustment help keep your image sharp and your adjustments repeatable out past a few hundred yards. It's flexible enough to still work well at mid-range when you dial the power back down.
Is the Crimson Trace Hardline scope weatherproof?
Yes, it's nitrogen purged, waterproof, and shockproof, so it holds up in rain, humidity, and hard-recoiling setups without fogging internally. The aerospace aluminum tube is built to take abuse in the field. Crimson Trace also covers it with a full lifetime warranty.





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