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Minnesota Airsoft  |  SKU: sku-45700846256277  |  UPC: 16758050

MNA Project Onyx Custom Tokyo Marui Hi-CAPA 5.1 Airsoft Pistol

Sale price $429.99 USD Regular price $549.99
Shipping calculated at checkout.

Custom green gas Hi-CAPA 5.1 build with MNA Mirage slide, chrome controls, MNA magwell, bottom rail, upgraded springs, 30/31 capacity, and stock parts.

By continuing to checkout, you agree to our Terms of Service, Shipping Policy, Return Policy, and product restrictions.

Airsoft product information

Identity and compatibility

Custom-Built Airsoft Product
What this classification means

This complete product is assembled or modified by the listed builder. Individual components may come from other brands, but the finished build is not manufactured or warranted by those component brands unless specifically stated.

OEM manufacturer
Tokyo Marui
Shipping and responsible use U.S. shipping only. Destination restrictions may apply and are confirmed during checkout and fulfillment. Buyer must be 18+ and follow all state, local, transportation, field, venue, and marking requirements.
⚠️ Sold for sporting and training applications. Customer is responsible for ensuring compliance with all applicable local laws and regulations. See Terms .


🚚 Shipping & Delivery

Most in-stock orders are typically processed within 1–2 business days before carrier handoff. Processing time is separate from carrier transit time.

The shipment estimate shown above appears only for eligible in-stock, inventory-tracked variants. Backordered, preorder, special-order, custom, imported, and manufacturer-direct items may take longer. Product-specific dates are provided in good faith and are not guaranteed delivery dates.

Available shipping services, final charges, and carrier transit estimates are shown at checkout. See our Shipping Policy for current details.

🔄 Returns, Exchanges & Warranty

Eligible non-custom returns must be requested within 30 days of delivery. Items must be unused, uninstalled, unmodified, and in their original, undamaged packaging.

Eligible standard returns may be subject to a 15% restocking fee. EU withdrawal returns are handled under applicable statutory rights; prohibited restocking fees do not apply, though lawful diminished-value deductions may.

Custom products, sale items, gift cards, perishable or personal-care goods, and hazardous materials are non-returnable except where applicable law or an approved warranty or defect claim requires otherwise.

Warranty Coverage: Manufacturer warranties apply to all standard products. Any defects, malfunctions, or performance issues are handled directly by the manufacturer per their terms.

HR Tactical Innovations covers a Fitment & Functionality Guarantee on all custom or modified items — if a verified production error occurs, we’ll replace the item.

View our Refund Policy for full details.

🎖️ Military / GovX Discounts

⚙️ Product Details

MNA Project Onyx | Custom Hi-Capa

  • Weight: 1lb (0.45kg)
  • FPS: ~340fps (.20g)
  • Rate of Fire: Semi-Auto
  • Gas: Green Gas
  • Magazine Capacity: 30/31rds
  • Custom Build List:
    • Tokyo Marui Hi-Capa 5.1 (Black)
    • MNA Mirage CNC Aluminum Slide 5.1 (Black)
    • MNA Skeletonized Magazine Release (Chrome)
    • MNA CNC Magwell (Chrome)
    • MNA Bottom Picatinny Rail (Chrome)
    • MNA Fluted Guide Rod (Black)
    • MNA CNC Trigger (Two-Tone)
    • MNA 140% Recoil Spring
    • AIP 140% Nozzle Return Spring
    • All Stock Components Included Separately

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      To view more details, please click the drop down tabs below!

      Specifications

      • Material
        Aluminum
      • Color / Finish
        Black
      • Platform Compatibility
        Hi-Capa
      • Mounting Interface
        Picatinny / 1913
      • Power Source
        Green Gas
      • Gas Type
        Green Gas
      • Weight
        1 lb
      • Velocity
        340 FPS

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