Best Second Language Acquisition

Mepro M21 Day/Night Self-Illuminated Reflex Sight + Lens Cleaning Kit and Cloth (Bullseye)

  • UNIQUE ADVANTAGES: 30 mm diameter lens | Large field of view | Rapid target acquisition | Effective use of sight under extreme conditions | No batteries | Always ready for action.
  • LONGEVITY AND REPEATABILITY: Designed with longevity and repeatability in mind, MEPROLIGHT’ s 1x30 Mepro 21 Dual-Illumination Reflex Sight features battery-free dual reticle illumination that uses fiber optics to focus ambient light when it's available, and a radioactive tritium system that provides light for the reticle in extreme low or no light..
  • RAPID TARGET ACQUISITION: The M21s large 30mm diameter lens allows rapid target acquisition with both eyes open. Reticle illumination is achieved by a protected fiber optic light collector system during the day, and by a self-powered tritium light source at night. Transition between the two systems is instantaneous and automatic to assure good contrast between the aiming dot and the target area..
  • TRUSTED WORLDWIDE: The Mepro M21 Reflex Sight is used and trusted by militaries and law enforcement agencies worldwide. Always ready for action and Increases accuracy and speed when firing under pressure. No white or bright colored fiber optic tubes exposed..
  • ALWAYS READY FOR ACTION: Day or night, no matter the weather conditions with the....
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Trijicon H&K P30/45C HD Front Outline Night Sight Set, Orange

  • HIGH VISIBILITY COLORED FRONT SIGHT POST: Glow-in-the-dark photoluminescent paint aids visibility and quicker target acquisition in transitional light.
  • SUBDUED REAR SIGHT: Angled and serrated surface to reduce glare, and black painted rings to enhance focus on front sight.
  • "U" NOTCH REAR SIGHT: Specifically designed rear notch enhances front sight acquisition.
  • TRITIUM-PHOSPHOR LAMP: Tritium-filled glass lamp provides superior illumination in no light or low light settings.
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Trijicon S&W M&P Shield HD Night Sight Set, Orange Front Outline

  • HIGH VISIBILITY COLORED FRONT SIGHT POST: Glow-in-the-dark photoluminescent paint aids visibility and quicker target acquisition in transitional light.
  • SUBDUED REAR SIGHT: Angled and serrated surface to reduce glare, and black painted rings to enhance focus on front sight.
  • “U” NOTCH REAR SIGHT: Specifically designed rear notch enhances front sight acquisition.
  • TRITIUM-PHOSPHOR LAMP: Tritium-filled glass lamp provides superior illumination in no light or low light settings.
  • FITS SMITH & WESSON MODELS: M&P SHIELD .40, .45, & 9mm.
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Williams Adjustable FireSight Set Fits All Standard 3/8 Dovetails 60213 Black

  • WILLIAMS GUN SIGHTS - Fully adjustable rear metallic Firesights fits all standard 3/8 dovetails.
  • FITS - Front FireSight fiber optic replaces existing factory bead. These will fit on most lever action guns with RAMPED front sights and also fits....
  • IMPROVED VISIBILITY - These firesight set offers shooters unmatched open sight visibility in low light settings.
  • FAST ACQUISITION - The fiber optic rods gather ambient light and reflect it back to your eye, enabling faster target acquisition.
  • WILLIAMS SIGHTS - Williams fire sights do not use artificial light sources to create their sight visibility, making them legal to use in states that....
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XS SIGHTS DXW2 Big Dot Night Sight for Glock Pistols, Static Front and Tritium Rear Handgun Sights for Tactical Applications (Yellow, Glock Suppressor Height 17,19,22-24,26,27,31-36,38)

  • Suppressor Height. Fits Glock 17, 19, 22-24, 26, 27, 31-36, 38, 45 - All Generations, Including Mos Models. Front Sight Tool, Allen Key And Thread Locker Included..
  • Tritium Front And Non-Tritium Rear Sight Set.  Tritium Front Sight Glows Brightly In Low Light, Paired With A Non-Tritium Rear Sight For Fast Acquisition And Easy Sight Alignment. .
  • High Visibility Big Dot Front Sight.  The Big Dot Front Sight Is Available With A Photoluminescent Yellow Or Orange Glowing Dot Surrounding The Tritium Insert.  Increases Visibility In All Lighting Conditions.  DXW2’S Offer The Fastest Front Sight Acquisition When Speed Matters..
  • Don’T Struggle To See Your Sights.  The Straight-Line Sight Picture – Dot-The-I- Draws The Eye To The Front Sight For Rapid Acquisition.  Center The Dot Over The Vertical Bar For Precision Sight Alignment.   Helps Overcome Eyesight Issues..
  • Steel Sights, Made In The USA, No Questions Asked Warranty.  XS Sights Are Machined In Fort Worth, TX From American Made Steel.  We Stand Behind Our Products With A 10-Year, No Questions Asked Warranty. .
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HiViz Litewave Sight for Ruger GP100 6 LPS GPLW01

  • COMPATIBLE WITH - The Williams 602588 adjustable fire sight is specifically designed to fit any MK-2, 3, or 4 with a bull barrel and a screw on front....
  • UNMATCHED VISIBILITY - The sights collect surrounding light rays to offer you superb visibility, even in dark conditions.
  • FAST TARGET ACQUISITION - These replacement sights will help speed up your target acquisition and improve your accuracy.
  • SPECS - This Fire Sight set from Williams Gun Sight Company features bright green fiber optic dots on the rear sight and a bright red fiber optic....
  • NOTE! - These new sights require drifting out the entire rear sight, dovetail and all and installing the new dovetailed sight. Because of this,....
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Williams WGRS-H&R Compact Low Profile Receiver Peep Sight (17778)

  • FITS - H&R 158, 258, Buffalo Classic, Handi Guns.
  • INSTALLATION - In most cases this sight utilizes dovetail or existing screws on top of the receiver for installation.
  • CONTRUCTION - This peep sight is made from an aluminum alloy that is stronger than many steels.
  • WGRS-H&R - Offers shooters unmatched open sight visibility at longer distances than standard fixed open sights.
  • Also this sight is compatible with a front fiber optic fire sight.
  • FAST TARGET ACQUISITION - Williams Fire Sights gather ambient light and reflect it back to your eye, enabling faster target acquisition.
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Williams WGRS-Legend Guide Receiver Peep Sight Modern Legend and Wolverine Aluminum Black

  • FITS - Knight Bighorn, Legend, Revolution, Vision, Wolverine, Rolling Block, American..
  • INSTALLATION - In most cases this sight utilizes dovetail or existing screws on top of the receiver for installation.
  • CONTRUCTION - This peep sight is made from an aluminum alloy that is stronger than many steels.
  • WGRS-LEGEND - Offers shooters unmatched open sight visibility at longer distances than standard fixed open sights.
  • FAST TARGET ACQUISITION - Williams Fire Sights gather ambient light and reflect it back to your eye, enabling faster target acquisition.
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Williams Fixed FireSight Set Compatible with Taurus Pro with Dovetail 70897 Black

  • IMPROVED VISIBILITY - These fire sight set offers shooters unmatched open sight visibility in low light settings.
  • CONSTRUCTION - This sight set has fixed style. Made from CNC machined high grade aluminum, high-visibility fiber optics.
  • FAST ACQUISITION - The fiber optic rods gather ambient light and reflect it back to your eye, enabling faster target acquisition.
  • WILLIAMS SIGHTS - Williams fire sights do not use artificial light sources to create their sight visibility, making them legal to use in states that....
  • NOTE - This Williams Set is compatible with Taurus PT111, PT140, PT 145 PT100, PT745, 24-7's Pro with Dovetail on sights.
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Winegard Elite Pro Outdoor VHF/UHF HDTV Antenna with Bluetooth Signal Meter and Integrated Channel Finder, Up to 70 Mile Range

  • Long-range signal acquisition gets more channels.
  • Built-in King SureLock signal finder for simple signal acquisition.
  • Upgraded technology enhances UHF signal reception while still receiving remaining VHF broadcast channels.
  • Broader reception coverage quickly locates strongest signal and maximizes reception.
  • Compatible Accessories-KING Jack/KING OmniPro Antenna Mounting Plate (MB8200), Jack Antenna Power Injector (White – PB1000/Black – PB1001).
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