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 PDP Compact — 2.0 Cut and 92X RDO
AttributeWaltherPDP Compact — 2.0 CutSpecs checked Jul 23, 2026Beretta92X RDOSpecs checked Jul 23, 2026
Typical priceNot documentedNot documented
Weight24.4 oz empty33.3 oz unloaded
Overall dimensions7.5 × 1.34 × 5.4 in8.5 × 1.5 × 5.4 in
Product formatpistolpistol
Mount / compatibilityWalther PDP 2.0 optic cut; model-specific plate requiredBeretta 90 Series RDO plate system
Catalog statuscurrentcurrent
Accessory railPicatinny-style railMIL-STD-1913
ActionStriker-firedDouble-action/single-action
Barrel length4.0 in4.7 in
Caliber9 mm9×19 mm
Capacity15 rounds18 rounds; 10, 15, or 17-round configurations
ControlsNot documentedAmbidextrous slide-mounted decocker/safety or decocker-only, by model
FramePolymerAluminum Vertec frame
GripPerformance Duty TextureVertec panels with wraparound grip included
Operating systemNot documentedShort recoil with falling locking block
Optics interfacePDP 2.0 cutBeretta 90 Series RDO plate system
Plate notePDP 1.0 and 2.0 plates are not interchangeableNot documented
SafetyNot documentedAutomatic firing-pin block
SightsAdjustable white-dot sightsRemovable front and rear sights
SlideOptics ready with SuperTerrain serrationsSteel RDO slide
TriggerPerformance Duty TriggerNot documented
Trigger pull5.6 lbNot documented
Editorial context

Choose by use case, not scoreboard.

PDP Compact — 2.0 Cut: Factory PDP 2.0 optic-cut configuration.

92X RDO: Factory RDO configuration.