MA M4 Aluminum Hop Up Unit Chamber for Series Airsoft AEG Rifle Marui Dboys JG and etc. Series.Metal chamber body | Спорт и

• A full metal hop-up unit from Ultimate.
• The adjustment mechanism must be assembled by the user and offers a nice tight adjustment once fully assembled.
• Maintains the hop-up setting extremely well.
• Suitable for most M4 variants with standard M4 hop-up units.

Dear customer , please only finalize your payment after all the details are confirmed

larger orders can have reduced price due to shipping cost reduction .

please consult for orders over 5 items.

1.Payment must be made within 3 days of order.
2.EMS DHL express shipping usually takes 3-10 working days dependent on the country delivered to. China post air mail shipping usually takes 10-30 working days dependent on the country delivered to,We are not responsible for any accidents, delays or other issues that are the responsibility of the shipping service. 
3.Any import charges or fees are the buyer's responsibility. 
Other Terms:

4.If the item is defective, please notify us within 3 days of delivery.
All items must be returned in their original condition, in order to qualify for a refund or exchange of goods.
Items returned after 7 days of delivery are only eligible for repair. 
The buyer is responsible for all shipping costs incurred. 
5.Please contact us before leaving any negative or neutral feedback. We will work with you to solve any problems.