Description
The Ruger Mark IV Hunter 22LR 5.5 Blued is a classic Ruger rimfire target pistol with a 5.5 inch fluted bull barrel, a blued alloy steel finish and checkered hardwood grips. It holds 10+1 rounds of .22 LR and features Ruger’s one-button takedown, making it one of the easiest Mark series pistols ever to clean.

Ruger Mark IV Hunter 22LR 5.5 Blued Overview
22 pistol for generations, and the Mark IV brought its biggest improvement yet: one-button takedown. Press a button at the back of the frame and the barrel and upper tilt up and off the grip frame for quick field stripping and chamber-to-muzzle cleaning. 5 inch fluted bull barrel that keeps weight forward for a steady hold and a 1:16 twist. Sights are a fiber optic front and an adjustable rear, and the receiver is drilled and tapped for an optic rail so you can mount a red dot or scope.
The aluminum grip frame wears checkered hardwood grips. 5 inches tall, and ships with 10 round magazines.
One-Button Takedown
Older Mark pistols were famous for being hard to reassemble. The Mark IV fixed that. A single button releases the upper from the grip frame without tools, so routine cleaning takes minutes instead of frustration. Reassembly is just as simple, which makes the Mark IV a great choice for new shooters.

Accuracy for Target and Small Game
The heavy fluted bull barrel and long sight radius help the Mark IV Hunter shoot tight groups. It is a favorite for bullseye practice, steel plates, and small game like squirrels and rabbits where legal. Try a few brands of .22 LR to find the load your pistol likes best.
Training and Practice
A .22 pistol is one of the best tools for building handgun skills. Low recoil and inexpensive ammunition let you focus on sight alignment and trigger press for hundreds of rounds per session, and those skills carry over to your centerfire handguns.

Practice and Training
Regular practice builds confidence and safe handling. Start at close range, focus on sight alignment and a smooth trigger press, and work back as your groups tighten. Dry fire with snap caps at home to improve your trigger control between range trips.
Choosing Ammunition
Try several brands and bullet weights to see what feeds reliably and groups best in your handgun. Use quality full metal jacket loads for practice and proven hollow points for defense, and confirm reliable function with your defensive load before carrying it.
Care and Maintenance
Clean the barrel, slide or cylinder and frame after shooting, apply a light coat of quality lubricant to moving parts, and store the handgun unloaded in a locked case or safe away from children.
Safe Storage
Store handguns unloaded in a locked safe, lockbox or with a cable lock, and keep ammunition separate when children are in the home. Quick access safes keep a defensive handgun secure but available. Teach everyone in the household basic firearm safety rules.
Recommended Accessories
A quality holster, spare magazines, eye and ear protection and a cleaning kit round out any handgun purchase. For defensive use, add a weapon light and practice drawing safely from your holster with an unloaded gun before carrying.
Ordering From MAG5
Choose your local FFL dealer at checkout and we ship directly to them. Once the firearm arrives, your dealer runs the background check and completes the transfer paperwork. Most dealers charge a modest transfer fee, so ask about it before you order.
State Laws
Firearm, magazine and transfer laws vary by state. Check your local laws and confirm your receiving dealer can complete the transfer.
Specifications
- Manufacturer: Ruger
- Model: Mark IV Hunter
- Model Number: 40177
- UPC: 736676401772
- Caliber: .22 LR
- Capacity: 10+1
- Barrel: 5.5 in fluted bull barrel
- Twist Rate: 1:16 RH
- Front Sight: Fiber optic
- Rear Sight: Adjustable
- Grip Frame: Aluminum
- Grips: Checkered hardwood
- Finish: Blued alloy steel
- Weight: 35.6 oz
- Overall Length: 9.75 in
- Height: 5.5 in
- Width: 1.2 in
- Takedown: One-button
Before You Buy
Federal law requires handguns to ship to a licensed FFL dealer, and you must be 21 or older to purchase a handgun from a dealer. You will complete a background check at your dealer. Check your local laws before ordering.
Who It Is For
The Ruger Mark IV Hunter 22LR 5.5 Blued is a great fit for target shooters, small game hunters and new shooters who want an accurate, easy-to-clean .22 pistol.
Buy the Ruger Mark IV Hunter 22LR 5.5 Blued at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Ruger Mark IV Hunter 22LR 5.5 Blued online and ship it to your local FFL dealer, or browse our full selection of firearms for more pistols. For factory details, visit Ruger.








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