Holosun LS321G&IR Co-axial Visible Red & IR Laser and IR Illuminater Aiming Device with Picatinny QD Mount
Powered by a single CR123 battery, the LS321R delivers up to 5000 hours of continuous operation. Its rear-facing selector switch provides seamless toggling between visible low, visible high, IR high, IR illuminator, or IR high with IR illuminator settings. Users can control these functions with the included remote pressure switch or the top-mounted activation button, ensuring versatile and user-friendly operation.
For precise targeting, the LS321R is equipped with tactile windage and elevation adjustments, enabling accurate zeroing. This combination of advanced features and rugged construction makes the LS321R an ideal choice for tactical applications and night operations.
- Window Size N/A
- Dimension (in) 3.6×2.2×1.6
- Weight (oz) 8.64
- Housing Material 7075 T6 Aluminum
- Surface Finish MAO
- Adjustment per Click 0.5 MOA
- W&E Travel Range ±50 MOA
- Storage Temperature -40℃~65℃
- Working Temperature -40℃~51℃
- Submersion IP67
- Vibration 1000G
- White LED Candela N/A
- Laser & Illuminator Type Dual Laser & IR Illuminator
- White LED Output N/A
- IR Illuminator Class IIIB
- IR Illuminator Output 0.7mw
- IR Pointer Class IIIB
- IR Pointer Output 0.1mw(low)/0.7mw(high)
- Visible Laser Class IIIA
- Visible Laser Output 1mw(low)/5mw(high)
The LS321R is a class IIIa visible green laser aiming device with a coaxial mounted class 2 IR (infrared) laser and IR illuminator for use with night vision devices. The LS321R features a 7075-aluminum matte black anodized housing with a quick release Picatinny rail mount. The LS321R is powered by a single CR123 battery which can provide up to 5000 hours of battery life.
The rear facing selector switch lets the user select between visible low, visible high, IR high, IR illuminator, or IR high with IR illuminator activation using the included remote pressure switch or turn the unit OFF. The LS321R also includes a top mounted activation button and tactile windage and elevation adjustments for a precision zero.
- Holosun LS321G&IR Co-axial Visible Red & IR Laser and IR Illuminater Aiming Device
- QD Release Mount
- Remote Cable Switch
- T10 L Key
- User Manual
- CR123A Battery
- Holosun 10 years / product lifetime warranty. Read more here
Tactical Scope Shipping Policy
Our aim is to ensure that your order arrives with you as soon as possible and in the safest, most cost-effective means.
Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.
DPD SHIPMENTS REQUIRE THE CUSTOMER TO SHOW A PIN CODE ON DELIVERY – READ MORE: HERE
Note: The above DPD link is to our group partner site Optics Warehouse, with whom we share logistics and stock. Link opens in a new window.
Couriers




We use DPD, Royal Mail, TNT, and UPS courier services for all our UK and international orders. Once your order is dispatched, you will receive an email with your unique tracking number.
In-Store Items
These are items we have in stock and aim to dispatch within 1–2 working days. During busy periods, this may be delayed slightly. If you'd prefer to collect your item in person, please contact us in advance to arrange. Collection orders must be paid for beforehand.
Pre-Order Items
Pre-order items are typically out-of-stock or in limited supply. Purchasing a pre-order secures your item, and it will be dispatched within 24 hours of restock where possible. Check the product page for estimated restock dates. These dates may change, so staying in touch is advised.
International Delivery & Taxes
If your shipping address is outside the UK, you may incur import duties or taxes upon arrival in your country. These charges are your responsibility. Customs regulations vary, so please check with your local customs office. Some packages may be opened for inspection.
Need Help?
If you need assistance, call us at +44 (0)1803 611895 (Optics Warehouse) or email order@tacticalscope.co.uk.
DPD Shipments & PIN Code Delivery
We have now introduced DPD Pin Code verification for all orders shipped via DPD. You will receive a PIN via email and text.
A valid email and mobile number must be provided at checkout. Emails will come from Riviera House 3PL. Please check spam/junk folders if not received.
Failure to present your PIN to the delivery driver will result in a failed delivery and rescheduling may be required.