Independent field journal · Practice, evidence, judgmentIssue No. 01 / Summer 2026
KGKNOWN GROUNDClarity and capability in a contested world
Newsletter
Interactive research

Compare like with like.

Start with a product family, then choose two records. Differences, sources, and documentation gaps stay visible.

Step 1

Choose what you are comparing

Compare full-size and compact handgun-mounted optics.

Step 2

Select two pistol optics

Step 3

Review the differences

“Not documented” means Known Ground has not verified that field. It is not a zero, “none,” or compatibility claim.

Side-by-side comparison of EPS Carry and ACRO P-2
AttributeHolosunEPS CarrySpecs checked Jul 23, 2026AimpointACRO P-2Specs checked Jul 23, 2026
Typical priceNot documentedNot documented
Weight1.23 oz2.2 oz / 61 g
Overall dimensions1.63 × 1.07 × 0.95 in1.9 × 1.3 × 1.2 in / 47 × 33 × 31 mm
Product formatopticoptic
Mount / compatibilityHolosun K footprint; RMSc-to-K adapter includedAimpoint ACRO interface
Catalog statuscurrentcurrent
Adjustment1.5 MOA per clickNot documented
Adjustment range±30 MOANot documented
BatterySide-loading CR1620CR2032
Battery life50,000 hours at setting 650,000 hours at daylight setting 6
Brightness8 daylight and 4 night-vision settings4 night-vision and 6 daylight settings
Clear apertureNot documented0.59 × 0.59 in / 15 × 15 mm
DesignEnclosed emitterEnclosed emitter
Eye reliefNot documentedUnlimited
Housing7075-T6 aluminumHigh-strength aluminum
Magnification
Motion activationShake AwakeNot documented
ParallaxNot documentedOperationally parallax-free
Reticle2 MOA dot and 32 MOA circle2.5, 3.5, or 9 MOA red dot, depending on model
SolarYesNot documented
Water resistanceIPX8Submersible to 115 ft / 35 m
Window0.77 × 0.58 inNot documented
Editorial context

Choose by use case, not scoreboard.

EPS Carry: Compact enclosed pistol sight using the Holosun K footprint.

ACRO P-2: Enclosed duty-focused reflex optic.