News|Military

The Marine Corps has released an update request for information notice for a new rifle optic. The Marine Corps is calling it the Squad Common Optic or SCO for short. The Marine Corps loves its acronyms and so do I. The idea of having a SCO has been a around for a couple of years now. An RFI for an optic was first released back in August of 2017.

The updated RFI is similar in language compared to the August 2017 RFI. The request is looking for a commercially available optic with an 1-8x power optic. The original RFI requested an 1-6x power optic. The new request also reduces the potential number to be purchased from between 18,000 to 194,000 to 18,000 to 30,000 optics to be potentially purchased.

The requirements the Marine Corps have for the optic is lengthy. I will leave the information from the new request of information below. 

• The Squad Common Optic should be less than or equal to 2.1 pounds (T), 1.4 pounds (O). Weight is characterized as including the optic, mount, turret caps, and battery.

• The Squad Common Optic should be less than or equal to 2.1 pounds (T), 1.4 pounds (O). Weight is characterized as including the optic, mount, turret caps, and battery.

• Magnification Range. The Squad Common Optic should have no point of aim shift when adjusting through the entire magnification ranges. The Squad Common Optic should have a magnification range of 1X +0.05X to ≥8X magnification range.

• Adjustable diopter: The diopter should be adjustable from +2 to –2 diopters.

•Adjustment Range. For all configurations, at least 15 Milliradian (mrad) (T), and 30 mrad (O) in Elevation and at least 12 mrad in Windage adjustment should be required. There should be hard stops at both ends of Windage and Elevation adjustment and no dead clicks. A dead click is defined as a tactile adjustment click that does not move the reticle.

• Windage/Elevation Caps. For Squad Common Optic, the Windage and Elevation turret adjustments should be covered with a threaded cap.

• Field of View. At minimum magnification, possess a minimum field of view of 18 degrees (T), 20 degrees (O). At maximum magnification, possess a minimum field of view of 2.5 degrees (T), 3 degrees (O).

• Eye Relief. All Squad Common Optic configurations at any magnification should have an eye relief of at least 3.1 inches (T), 3.7 inches (O).

• Focal Plane. Configurations should be first focal plane and/or second focal plane.

• All Squad Common Optic reticle configurations should offer Mil-Reticle patterns vice a Bullet Drop Compensator (BDC) style of reticle pattern.

• All Squad Common Optic reticle configurations should offer an illuminated central aiming point no greater than 1.5 minute of angle (MOA) (T) or 0.5 MOA (O) that is visible during daylight conditions.

• All Squad Common Optic configurations should offer a variety of reticles (i.e., crosshair, German, duplex, Christmas tree, others).

All reticles should be level with a cant of ± 1 degree (T) or no discernable cant (O) when installed in its MIL-STD-1913 compatible mount.

Reticle should be usable in the event of degraded capability or no power situation.

Future Reticles

• The vendor should allow for future reticle designs and operational needs to be included in the Squad Common Optic: Mil Dot, Milliradian Line, Ballistic, Velocity, and Grid hybrids. 

• Graduated grid should provide a method that supports the ability to use Windage hold offs and Elevation holds and holdovers accurately. There should also be coarse and fine methods to quickly range targets. A method to allow for rapid engagement of moving targets should be provided on the main horizontal.

• Magnification Change Capability. The Squad Common Optic should incorporate an attachable (T) or integrated (O) field-adjustable magnification change capability that will allow quick magnification changes from minimum to maximum magnification without passing between the eyepiece and rail interface, hitting the host weapon, or interfering with the function of the host weapon.

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