MCCG Shotgun Mag Extension Tubes

MCCG Shotgun Mag Extension Tubes

MCCG aluminium or carbon fibre mag extension tubes - £109.99 or £139.99 for kit and mag nut.


Additionally, we can make a carbon fibre kit you your specified length for an extra £30.00. Contact us to discuss your requirements.


Master Class Custom Guns are now producing an exciting range of magazine extension tubes for your shotgun.  Our kits are designed and manufactured entirely in the UK, unlike some extremely well known brands.


The kit comprises of extention tube, end plug, and spring.  We are also offering a sturdy barrel clamp as an option now, machined from aluminium.



In order to be eligible for a refund, you have to return the product within 14 calendar days of your purchase. The product must be in the same condition that you receive it and undamaged in any way.


After we receive your item, we will inspect it and process your refund. The money will be refunded to the original payment method used during the purchase. For credit card payments it may take 5 to 10 business days for a refund to show up on your credit card statement.


If the product is damaged in any way, or you have initiated the return after 14 calendar days have passed, you will not be eligible for a refund.

If anything is unclear or you have any questions feel free to contact us.


Standard Delivery

Orders are dispatched within 2 working days and sent via Royal Mail second class signed for.

Priority Delivery

Orders received before 12:00 noon for priority delivery will be dispatched same day via Royal Mail next day signed for.  Priority orders received after 12:00 noon will be dispatched next working day.


£50 and under:

  • Standard: £4.95

  • Priority: £9.99

Over £50:

  • Standard: £7.55

  • Priority: £12.99