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Product details

MK23/SSX23 Drop-In Prowler Hop Plate

The Stalker MK23 Prowler Hop Plate is a CNC machined aluminium upgrade that replaces the stock hop arm in the TM/STTI/ASG MK23 and Novritsch SSX-23. Unlike the stock arm which can go skewed under wheel pressure, this plate forces the nub straight down from Top Dead Center (TDC) every time — especially when paired with the Stalker TDC Hood.

  • Material: CNC machined aluminium with laser engraved Stalker logo
  • Replaces stock hop arm for consistent TDC alignment
  • Prowler concave nub shape (same as Kraken SRS purple nubs)
  • Works best with Stalker TDC Hood
  • Fits: TM MK23, Novritsch SSX-23, STTI MK23, ASG MK23
Additional Info

***Installation Steps***

  1. Open hop-up
  2. Remove hop wheel and stock hop arm and screws.
  3. Install chosen barrel and bucking.
  4. Close the Hop assembly.
  5. Install the STALKER Prowler Hop Plate for Mk23 into the hop-up
  6. Fit the STALKER TDC HOOD onto the hop unit.
  7. Rebuild your MK23.
  8. Test shoot and adjust the hop-up from the top with the grub screw of the STALKER TDC Hood.
  • Fits TM MK23 Hopup
  • Fits Novritsch SSX-23 Hopup
  • Fits Stti MK23 Hopup
  • Fits ASG MK23 Hopup
  • Lifts heavy Weight BB's
  • Might work with other TDC Covers

Skirmshop USA – Frequently Asked Questions

Please view our FAQ page for more info.

How long does shipping take?

Most orders ship within 1–2 business days from our Florida warehouse.

Typical delivery times:

United States: 2–5 business days
International: 7–21 business days depending on location and customs processing.

Once your order ships, tracking information will be emailed.

Do you ship internationally?

Yes. Skirmshop USA ships worldwide.

International customers are responsible for any import duties, VAT, or customs fees required by their country.

Do you offer preorder products?

Yes.

Some specialty items we carry — including limited runs or hard-to-import gear — may be offered as preorders when inventory is in transit.

Preorders allow customers to reserve items before the shipment arrives. Contact us to coordinate.

What is Skirmshop USA’s return policy?

Customers may return eligible items within 14 days of receiving their order. Items must be returned:

  • Unused
  • In their original condition
  • In the original packaging when reasonably possible

Items should only be handled as necessary to inspect the product.

Full details can be found here: https://skirmshopusa.com/policies/refund-policy

What does Skirmshop USA specialize in?

Skirmshop USA focuses on high-performance airsoft equipment and concealment systems designed for players who prioritize stealth, mobility, and modular gear setups.

We specialize in:

  • Stalker ghillie systems
  • concealment gear
  • premium airsoft platforms
  • upgrade components and accessories

Our goal is to help customers build complete systems that work together, not just individual products.

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