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 HD P4 HOST and 92X RDO
AttributeStaccatoStaccato HD P4 HOSTSpecs checked Jul 23, 2026Beretta92X RDOSpecs checked Jul 23, 2026
Typical priceNot documentedNot documented
Weight32 oz without magazine33.3 oz unloaded
Overall dimensionsOverall dimensions not published by Staccato8.5 × 1.5 × 5.4 in
Product formatpistolpistol
Mount / compatibilityStaccato HD HOST optic-mounting kit systemBeretta 90 Series RDO plate system
Catalog statuscurrentcurrent
Accessory railFull-length railMIL-STD-1913
ActionSingle-action 2011Double-action/single-action
Barrel finishDLCNot documented
Barrel length4.0 in bull barrel4.7 in
Caliber9×19 mm9×19 mm
Capacity18+118 rounds; 10, 15, or 17-round configurations
ControlsNot documentedAmbidextrous slide-mounted decocker/safety or decocker-only, by model
FamilyStaccato HDNot documented
FrameNot documentedAluminum Vertec frame
GripNot documentedVertec panels with wraparound grip included
MagazineSteel double-stackNot documented
Manufacturer measurement scopeWeight excludes magazineNot documented
Operating systemNot documentedShort recoil with falling locking block
Optics interfaceStaccato HD HOSTBeretta 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 HD P4 HOST: HOST optic-ready configuration; not compatible with DPO kits.

92X RDO: Factory RDO configuration.