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QB78 Type Air Rifle Reseal Service
QB78 Reseal Repair Service for Chinese QB78 CO2-powered wood and metal airguns. Archer Airguns.
Our Price: $109.99
Available ONLY in Lower 48 States.


Bolt Operation

Bolt Operation*:

Testing Services


Repair Services Upgrades

Fit XP Tune Kit add 100fps muzzle velocity [Add $36.99]


Does your QB78 air rifle leak? If so, this service returns your airgun to “like new” factory performance with the leak fixed.

Choose this service if you have a QB78, QB78 Deluxe, CAR78a, AR2078, AR2078A or AR2078B air rifle that leaks. These airguns are powered by 2 x 12 Gram Powerlets.

Archer Airguns will completely inspect, disassemble and clean your air rifle. This service includes replacing the following parts:
Tube cap O ring
Valve O ring
Valve stem assembly
Barrel O rings
Bolt probe O ring
Breech seal (will be replaced with a high flow seal for increased muzzle velocity).

These parts alone retail for $26.49 and they’re included in the cost of this service!

Your gun will be given a 24-hour leak test and a Chrony test of muzzle velocity before being returned to you within 15 working days of us receiving it. For even faster turnaround, choose our 10 working day Expedited Service option.

If you want us to add upgrades to your air rifle while it’s in for repair, select the options above. These upgrades will be installed at “parts only” prices with no charge for installation.

If we find any other issue, we’ll let you know immediately and advise the cost. Archer Airguns has the largest stocks of repair parts for QB78-type air rifles outside of the Shanghai factory, so we always have the parts in stock if they are required. You simply order the appropriate “Repair Parts Buy(s)” from our online store.

Return shipping cost will automatically be calculated based on your location and shipping choice.
Your gun will be returned with insured shipping and signature confirmation required for delivery.

Please provide a description of the problem in the “How did you hear about us?” box in step 4 of our one page checkout.

Don’t have suitable packing? Just order our Repair Shipping Pack and we’ll send that to you first.

For instructions on how to remove the stock from your air rifle see this video.

IMPORTANT NOTICE: Remove your scope, rings, stock and other accessories from the airgun before sending it to us for repair. This saves you shipping costs and eliminates any possibility of damage to these items. You are responsible for the cost of shipping the air rifle to Archer Airguns, our shopping cart calculates the charge for returning the repaired gun and this is included in your total order price.

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