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 factory optic-ready pistol configurations.

Step 2

Select two duty pistols

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 Staccato CS Optic Ready and 92X RDO
AttributeStaccatoStaccato CS Optic ReadySpecs checked Jul 23, 2026Beretta92X RDOSpecs checked Jul 23, 2026
Typical priceNot documentedNot documented
Weight23 oz without optic or magazine33.3 oz unloaded
Overall dimensionsOverall dimensions not published by Staccato8.5 × 1.5 × 5.4 in
Product formatpistolpistol
Mount / compatibilityStaccato DPO optic-mounting kit systemBeretta 90 Series RDO plate system
Catalog statuscurrentcurrent
Accessory railAccessory railMIL-STD-1913
ActionSingle-action 2011Double-action/single-action
Barrel finishDLCNot documented
Barrel length3.5 in bull barrel4.7 in
Caliber9×19 mm9×19 mm
Capacity15+118 rounds; 10, 15, or 17-round configurations
ControlsNot documentedAmbidextrous slide-mounted decocker/safety or decocker-only, by model
FrameAluminumAluminum Vertec frame
GripNot documentedVertec panels with wraparound grip included
MagazineSlim double-stackNot documented
Manufacturer measurement scopeWeight excludes optic and magazineNot documented
Operating systemNot documentedShort recoil with falling locking block
Optics interfaceDawson Precision DPOBeretta 90 Series RDO plate system
SafetyAmbidextrous thumb safety and grip safetyAutomatic firing-pin block
SightsNot documentedRemovable front and rear sights
SlideNot documentedSteel RDO slide
Trigger pull4–4.5 lbNot documented
Editorial context

Choose by use case, not scoreboard.

Staccato CS Optic Ready: DPO optic-ready configuration; not compatible with HD HOST kits.

92X RDO: Factory RDO configuration.