Airsoft Upgrades

5ku WA M4 CNC HopUp

Brand: 5KUCategory: GBBR Buckings & Nubs4 retailers

Price: $15.78 – $23.67 — In stock at 2 retailers.

Prices last checked July 30, 2026 across 4 retailers.

Manufacturer: 5KU SKU: 5KU-GB-105 Aluminum construction Suitable for WA M4 GBB rifle or similar spec

5ku WA M4 CNC HopUp price comparison: the lowest price is $15.78 at 18Airsoft, the highest is $23.67, and the median across 4 tracked listings is $19.49. Comparing retailers can save up to 33% ($7.89) versus the highest-priced listing.

Powerplant: GBBR

Fits models: WA-pattern / GHK

Compatible with: M4/AR

See all WA-pattern / GHK magazines & fitment →

Which buckings fit GBBR? Compare fitment & degrees →

Where to buy the 5ku WA M4 CNC HopUp: prices at 4 retailers

  • Tiger111HK: $15.78 — Out of Stock
  • Octagon Airsoft: $18.50 — Out of Stock
  • 18Airsoft: $20.48 — In Stock
  • SixMM: $23.67 — In Stock

Frequently asked questions about the 5ku WA M4 CNC HopUp

How much does the 5ku WA M4 CNC HopUp cost?
The 5ku WA M4 CNC HopUp ranges from $15.78 to $23.67 across 4 retailers. The lowest current price is at 18Airsoft. Prices are updated regularly from each store's live catalog.
Where can I buy the 5ku WA M4 CNC HopUp?
The 5ku WA M4 CNC HopUp is currently in stock at 2 retailers including 18Airsoft, SixMM. We track availability across 4 airsoft stores and update stock status regularly.
What is the 5ku WA M4 CNC HopUp compatible with?
It is designed for GBBR platform and fits WA-pattern / GHK model.
Is the 5ku WA M4 CNC HopUp a good gbbr buckings & nubs upgrade?
The 5ku WA M4 CNC HopUp by 5KU is listed in our GBBR Buckings & Nubs category and is priced from $15.78. We aggregate prices from 4 retailers so you can compare and find the best deal. Check the price comparison table above for current pricing from each store.

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