BudsGunShop.com - Gen 1 or Gen 2

HI David, This is the Gen 2 Model with Key Mod. Here's the Specs -- SIGMPX PDW W/ Aluminum KeyMod Hand Guard Pistol 9mm Product Details Manufacturer #: 798681537662 Manufacturer: Sig Sauer Model Series: SIGMPX PDW W/ Aluminum KeyMod Hand Guard Type: Pistol: Semi-Auto Caliber: 9MM Finish: Black Action: Semi-Automatic Stock: Folding SBX (Stabilizing Brace) Capacity: 30+1 # of Mags: 1 Safety: Ambi Thumb Safety Sights: No Sights Barrel Length: 8 Overall Length: 17 Weight: 5 lbs Packaging: Plastic Case Features: Short Stroke Piston System, Handstop Extra Features: Ambidextrous Selector, Mag Release, Bolt Release Receiver: Aluminum

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yes it a Gen 2 and has the Key Mod specs Sig Sauer 798681537662 SIGMPX PDW W/ Aluminum KeyMod Hand Guard Pistol 9mm
Product Details
Manufacturer #: 798681537662
Manufacturer: Sig Sauer
Model Series: SIGMPX PDW W/ Aluminum ******KeyMod Hand Guard
Type: Pistol: Semi-Auto
Caliber: 9MM
Finish: Black
Action: Semi-Automatic
Stock: Folding SBX (Stabilizing Brace)
Capacity: 30+1
# of Mags: 1
Safety: Ambi Thumb Safety
Sights: No Sights
Barrel Length: 8
Overall Length: 17
Weight: 5 lbs
Packaging: Plastic Case
Features: Short Stroke Piston System, Handstop
Extra Features: Ambidextrous Selector, Mag Release, Bolt Release
Receiver: Aluminum

Gen 2 - ((Product Specs)) ( Forend Type: SBX Alloy KeyMod )) - Caliber: 9mm NATO - Action Type: Semi-Auto Gas Piston - Operating System: Rotating Bolt - Stock Tyep: Side-Folding - (( Forend Type: SBX Alloy KeyMod )) - Weight W/O Mag: 6.0 lb - Overall Length: 25.75 - Folded Length: 17.5 - Barrel Length: 8.0 - Rifling: 1:10 - Trigger Type: MIL-SPEC - Trigger Weight: 5.5-9 lb - Mag Type: MPX Poly - Mag Capacity: 30.

Yes, this is a Gen 2 Pistol with the "Key Mod" Rail David.