Description
The Swampfox Sentinel II 3 MOA Red Dot is a micro red dot for slim carry pistols with a 3 MOA red dot. The Sentinel II is built for subcompact and micro compact carry guns, where every ounce and every bit of width matters.
Swampfox Sentinel II 3 MOA Red Dot Overview
Swampfox lists the Sentinel II at just under 1 oz and about 1.84 x 1.07 x 1.07 in. The housing is 7075-T6 aluminum, the 20mm window is about 20mm wide by 17mm tall, and the 3 MOA dot covers about three inches at 100 yards. Windage and elevation adjust in 1 MOA clicks with about 80 MOA of total travel. The lens has anti-fog, hydrophobic and anti-scratch coatings, and the sight is parallax free at typical shooting distances.
The Reticle
The 3 MOA red dot sits in a window about 20mm wide and 17mm tall, which is roomy for a sight this small. Retailers list this model with a blacked out rear sight notch built into the housing. Our distributor feed calls it a red laser, but it is a red dot sight, not a laser.
Power and Brightness
One CR2032 battery powers the sight with a maximum rated life of up to 50,000 hours. Ten brightness positions are set with up and down digital buttons.
Mounting
The Sentinel II uses the RMSc footprint, the pattern used by many slim carry pistols. Mount it directly to an RMSc cut slide or to a matching plate, and use the screws made for your slide, a small drop of medium thread locker and the torque your pistol maker lists.
Built Tough
Swampfox rates this sight IPX7 waterproof and tests it for hard recoil. The company backs its optics with a limited lifetime warranty, and many Swampfox sights carry extra coverage on the illumination. It is a lot of sight for the money.
Zeroing Tips
Most pistol shooters zero a red dot at 15 to 25 yards. Start close to get on paper, then move back and adjust. Fire groups of three to five shots before each change, and confirm zero with the ammunition you plan to carry.
Battery Care
Replace the battery once a year on a defensive gun, even if the dot still looks fine, and keep a spare in your range bag. Wipe the lens with a soft cloth or lens pen, not a shirt tail, to keep the coatings clean. If the dot seems dim or flickers, check the battery and contacts first.
Ordering and Transfer
When you order a firearm from MAG5 Firearms, we ship it to the licensed dealer you choose. Your dealer completes the ATF Form 4473 and the background check, and may charge a transfer fee. Local buyers can complete the transfer at our shop. Bring a valid ID, and check your state waiting period before you plan a hunt or a range trip.
Safe Storage
Store the firearm unloaded in a locked safe or case, with ammunition kept separately. A cable lock or trigger lock is a good backup, especially in a home with children or visitors. Keep the original box and paperwork, and record the serial number in a safe place in case the gun is ever lost or stolen.
Your First Range Trip
Mount your optic, bore sight it, then fire your first groups at 25 yards before moving to 100. Let the barrel cool between strings, and record your zero and the load you used. Wear eye and ear protection, keep the muzzle in a safe direction, and clean the bore when you get home.
Specifications
- Brand: Swampfox
- Model: Sentinel II 1×20 Micro Red Dot, SNL2120-RMS
- UPC: 889157002897
- Reticle color: red
- Reticle: 3 MOA dot
- Footprint: RMSc
- Battery: CR2032, up to 50,000 hours
- Brightness: 10 positions
- Weight: about 1 oz
- Housing: 7075-T6 aluminum
Before You Buy
Optics do not require an FFL transfer. Confirm your slide cut or optic plate matches the mounting footprint of this sight before you order.
Who It Is For
The Swampfox Sentinel II 3 MOA Red Dot is a great fit for shooters who want a tough, feature rich optic at a fair price from a company that stands behind its products.
Buy the Swampfox Sentinel II 3 MOA Red Dot at MAG5 Firearms
MAG5 Firearms is a family-owned shop in Collegeville, Pennsylvania. Optics do not require an FFL transfer, so the Swampfox Sentinel II 3 MOA Red Dot ships straight to your door. Browse our full selection of red dot sights for more optics. For factory details, visit Swampfox.
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