Rocket Cast M4 Hop Unit
Price: $19.93 — In stock at 1 retailer.
Prices last checked July 30, 2026 across 1 retailer.
Rocket Cast M4 Hop Unit A standard classic design metal M4 hop unit that fits onto most M4 AEGs on the market. This is a basic replacement cast from Zinc alloy and comes with everything you need for installation including the retention spring, brass ring, hop rubber, hop nub and C-clip.
Rocket Cast M4 Hop Unit price comparison: the lowest price is $19.93 at Socom Tactical, and the median across 1 tracked listing is $19.93.
Compatible with: M4/AR
Which hop-up unit fits AEG? Compare fitment & prices →
Where to buy the Rocket Cast M4 Hop Unit: prices at 1 retailer
- Socom Tactical: $19.93 — In Stock
Frequently asked questions about the Rocket Cast M4 Hop Unit
- How much does the Rocket Cast M4 Hop Unit cost?
- The Rocket Cast M4 Hop Unit ranges from $19.93 across 1 retailer. The lowest current price is at Socom Tactical. Prices are updated regularly from each store's live catalog.
- Where can I buy the Rocket Cast M4 Hop Unit?
- The Rocket Cast M4 Hop Unit is currently in stock at 1 retailer including Socom Tactical. We track availability across 1 airsoft stores and update stock status regularly.
- Is the Rocket Cast M4 Hop Unit a good aeg hop-up units upgrade?
- The Rocket Cast M4 Hop Unit by Rocket Airsoft is listed in our AEG Hop-Up Units category and is priced from $19.93. We aggregate prices from 1 retailer 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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