The fail-safe, maintenance-free orange Tru-Dot Tritium Rear Night Sight from Meprolight does not require any external power source, and provides years of usable illumination in all weather and light conditions. It replaces the stock rear iron sights on H&K USP full-size pistols.

The U-shaped sight has green dots on either side of the opening to easily draw the eye to the pistol's center line for quick target acquisition and tracking. The sight is made from lightweight and durable aluminum with a chip, scratch, and corrosion-resistant anodized finish to stand up to years of use.

Replaces Stock Rear Iron Sight    Battery-Free Tritium Illumination    Fits H&K USP FS Pistols    Battery-Free Tritium Illumination

Related Questions and Answers

Q: 1. Is this optic Gen 1 or Gen 2? Serial # above 89k or no?

A: Yes this is a Gen 2 Trijicon 1x25 MRO Reflex Sight. You can tell by the MFR # 2200003 on our website. You will find the same number on the Trijicon website MRO-C-2200003. The 89k serial numbers that you are asking about sold through about a year and a half ago. They aren't even around anymore.

Q: 2. Is this new in the box, and what is the manufacturer date. I ask because I would like to know if this is an older model when they had thermal shift problems or if it was manufactured after the fixes were done by eotech. Thank you!

A: Yes it is brand new in the box EOTech EXPS3 Holographic Weapon Sight. The issue you are referring to has not been a issue for over 2 years. This is as per my conversation with EOTech. The older versions were pulled from the market some 2 years ago. And everything currently available is free from any issues.

Q: 3. which is front and which is back ?

A: Front is the eye brow end

Q: 4. Will the encoder work as an NDI source?

A: No, the AVMATRIX H.264/H.265 SDI Streaming Encoder has no NDI encoding built into it whatsoever.

Q: 5. will this fit the XD9?

A: Yes the https://bhpho.to/3ba5Ieh will work with the XD9.

Q: 6. what battery goes in the scope?

A: The Barska 30mm Red Dot Sight comes with a CR2032 Lithium Battery.

Q: 7. WILL THIS SIGHT WORK ON A CROSSMAN 2240?

A: Im not familiar with Crossman 2240. It would be best to contactCrossman Service Dept for advise.

Q: 8. In millimeters, what is the diameter of the muzzle end of the scope?

A: As per the MFR Dimensions body only 13"x2.2"x2.2" / 330x55x55 mm https://www.atncorp.com/x-sight-ltv-day-night-rifle-scope-5-15x

Q: 9. Will this fit a Sig Sauer P365 XMacro?

A: Unfortunately no, they do not make one for the P355 XMacro.

Q: 10. I can’t get the battery changed how do you do this

A: The battery switch housing is set on top of the eyebell in alignment with the elevation turret. It uses a lithium CR2032 3V. battery. Please take a look at the following link: https://bhpho.to/2RiS67g • Remove the battery compartment cap by turning it counter-clockwise. • Insert the battery with the positive (+) side facing up. • Replace the cap by turning it clockwise and tighten to avoid moisture or water from getting inside.