


Upgrade Kit for VSR-10 With 303MM Barrel
A stock VSR-10 is a great platform waiting for the right parts. This kit gives it the three that matter most: a barrel that holds its accuracy, a hopup chamber that keeps every shot perfectly straight, and a piston that makes the cycle quiet and repeatable. The result is a rifle you actually trust on the trigger pull that counts.
What's included
- “Morpheus” Dual Bore 303mm Steel Barrel – made from very durable carbon steel with a scratch-resistant HV500 finish and a dual bore design. It vibrates less than the brass electroplated barrels other brands use, which you see straight away in your grouping and hit probability.
- Kraken VSR-10/SSG-10 TDC Hopup Chamber – the proven Kraken design with a patented double fin rubber that makes it impossible for the bucking to rotate in the chamber. Chamber, barrel and bucking are all built to the same Stalker tolerances, so you shoot far, straight and remarkably quietly, with true top dead centre adjustment.
- Scorpion Piston for the VSR-10 – a CNC upgrade piston that replaces the stock one for a smoother, quieter and far more consistent shot cycle, and takes heavier springs in its stride.
Why these parts together
Precision is a chain, and one loose link ruins the rest. The Kraken chamber locks your bucking and barrel in perfect alignment, the Morpheus barrel keeps that alignment all the way to the crown, and the Scorpion piston makes sure the air behind each BB arrives the same way every time. Same volume, same timing, same result shot after shot, which is exactly what a bolt action rifle is for.
Good to know
- Fits the Tokyo Marui VSR-10 and compatible platforms, including the Novritsch SSG-10, that use a VSR-style chamber.
- Installation means stripping your barrel assembly and cylinder. Very doable if you have worked on a VSR before, otherwise your local tech will have it done quickly.
- Always check your joule output after installation before you take it to the field.
Pairs well with
In stock! Ships within 1-2 business days.
Complimentary shipping & returns

Upgrade Kit for VSR-10 With 303MM Barrel
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Please read our FAQs page to find out more.
Do I need an account to order?
No, but an account lets you save addresses, review orders, download invoices and manage wish‑lists.
When will my order ship?
Orders placed before 15:00 CET on business days ship the same day if the
items are in stock. A tracking e-mail follows automatically.
Can I change or cancel my order?
Yes, e-mail orders@skirmshop.nl or use the contact form before 15:00 CET on the shipping day
with your order number. After dispatch, changes aren’t possible.
Do you ship outside the EU?
Yes, the shipping rates and import taxes will be calculated at checkout.
What is the minimum age to buy an airsoft replica?
Please check your own governments regulations for the minimum required age.
Don't forget to send your ID.