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3 in stock
Complete Hop-Up CNC chamber for the M4 / M16
Specna Arms is a well-known brand on the airsoft market. To meet customer expectations, we introduce high-quality internal parts as separate products. From now on, pistons, cylinders, nozzles, gearbox shells and much more will be available for sale. This will allow you to get the maximum performance of the replica. Specna Arms never lags behind – it constantly develops and improves its products to provide customers with optimal solutions in the airsoft field.
Accurately made of CNC machined aluminum, rotary Hop-Up chamber intended for M4 / M16 replicas. The set also includes a pressure spring, hop-cup rubber, and a latch for the barrel.
Made of plastic + metal
Manufacturer Specna Arms
We aim to SHIP your purchase within 2 business days, usually less. If this is not possible, we will contact you as soon as we can. We cannot be held responsible for delays due to the Courier Service or Post Office Royal Mail. Please allow up to 4 days for delivery, depending on your chosen shipping option.
UK Delivery: For details of our shipping charges please view our Shipping Policy.
Please Note: We currently only ship within the UK, we do not ship outside the UK or overseas.
As the delivery is provided via a courier service it is important that you ensure there will be someone available at the delivery location to sign for the parcel. No refund of the delivery cost will be made for failed deliveries where there has been no-one available to accept the parcel.
If you wish to return any items, please contact us either via email (firstname.lastname@example.org) or on the phone (01924 899 109)
Fear Masters Entertainment Ltd
t/a Urban Airsoft Store
* Please note this is our Head Office and Shop.
We’d love to hear from you – whether you need help sourcing that specific product, or want some advice on the best products to suit your requirements, our expert team are on hand to help.
Here at Urban Airsoft Mega Store, We guarantee to try and match any like-for-like price on any product shown on our online store, subject to T&C's.
Our on site tech guy The Airsoft Doctor offers custom upgrades, professional repair and servicing, two tone and camo paint jobs.
We aim to SHIP your purchase within 2 business days, usually less. If this is not possible, we will contact you as soon as we can.
Our professional two tone service usually takes up to 3 working days, the spray will cover 51% of the replica.