How to tune the Sub 12 FX M4

Hi guys got a video here today on the FX M4 and in this one ill go over the tuning process for a sub 12 lb/ft rifle.

Crawley surplus store:

https://www.surplusstore.co.uk/

Discount code max 2 uses per customer / email:
SUB12AIRGUNNERS

Quick tune lock:

https://www.ebay.co.uk/itm/376611370029

Bagnall and kirkwood quick tune system:

https://spares.bagnallandkirkwood.co.uk/product/fx-impact-m4-quick-tune-system-kit-complete/

Bagnall and Kirkwood 750 power plenum:

https://spares.bagnallandkirkwood.co.uk/product/fx-impact-m4-late-m3-750-power-plenum-kit/

Bagnall and kirkwood barrel:

https://spares.bagnallandkirkwood.co.uk/product/lothar-walther-barrel-machined-for-fx-impact-mk2-m3-m4-and-other-fx-177/

My Ebay store:

https://www.ebay.co.uk/usr/sub12airgunners

Outgun store:

https://www.outgun.shop/?ref=SUB12Airgunners

Discount code:
SUB12

OLED Gauge:

https://www.outgun.shop/products/outgun-25mm-digital-pressure-gauge-400bar?ref=SUB12Airgunners

LED Gauge:

https://www.outgun.shop/products/outgun-25battery-digital-pressure-gauge-300bar?ref=SUB12Airgunners

Angled gauge bracket:

https://www.outgun.shop/products/angled-pressure-gauge-bracket-for-airguns?ref=SUB12Airgunners

Cocking handles:

https://www.outgun.shop/collections/cocking-handle?ref=SUB12Airgunners