STI Combat Master Airsoft Pistol 4.5mm CO2 Magazine 20 Rounds - Black
Need more firepower for your STI Combat Master? This 20-round CO2 magazine is built specifically for the 4.5mm (.177) STI Combat Master air pistol, delivering consistent power and performance in every shot. Manufactured by ASG, it's designed for durability and precision, making it the perfect spare mag whether you're practicing reload drills or just spending more time on the range.
With a steel BB capacity of 20 rounds and powered by standard 12g CO2 cartridges, this mag feeds cleanly and operates smoothly—even during fast-paced shooting sessions. Its matte black finish complements the tactical style of the Combat Master, while its solid construction ensures reliability with minimal jamming or misfeeds. Whether you're training, plinking, or prepping for high-tempo sessions, this magazine keeps you in the action longer and reload-ready.
Features
- 20-round capacity for sustained firing
- Engineered for the 4.5mm STI Combat Master air pistol
- CO2 powered for reliable blowback performance
- Matte black finish for a seamless tactical look
- Durable build quality from ASG
- Consistent gas delivery across full mag
- Great for reload practice and target sessions
- Snug, secure fit – no wobble or leaks
What you get
- 1 x STI Combat Master 4.5mm CO2 Magazine
- Retail packaging (box of 48 available for wholesale)
- Manufacturer warranty information
Details
- Brand: ASG
- Calibre: 4.5mm / .177 steel BBs
- Capacity: 20 rounds
- Power Source: 12g CO2 cartridge (sold separately)
- Colour: Black
- Compatible Model: STI Combat Master CO2 Air Pistol
- Barcode EAN: 5707843099295
SHIPPING Delivery Prices start from just £2.50 with free delivery on orders over £50 To the uk mainland *.
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Free ShippingFree shipping on orders over £50 To UK Mainland (excluding some parts of scotland)
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Sorry we do not offer free shipping to the Channel Islands
Free shipping is a 5 working day service* (if you order Monday you get it the next Monday)
Delivery price (Mainland UK)Royal Mail (depending on weight) (2 Days Delivery*) From £2.50
Economy (post as much as you want) (2 to 4 Days Delivery*) £4.75 Flat Rate
Express shipping (post as much as you want) (1 to 2 Days Delivery*) £5.95 Flat Rate
*Working days (Saturday and Sunday are classed as non working days)
we can arrange a Saturday delivery on request but costs £20 and you will need to call us to pay the balance after making an order.
Northern Ireland From £ 5.95
Highlands and islands From £5.95
I.O.M From £5.95
Republic of Ireland £6.95 (Flat Rate how ever big or small your order is)
Channel Islands £ 7.95 (Flat Rate how ever big or small your order is)
Delivery price (International Tracked)
(Flat Rate how ever big or small your order is)
Republic of Ireland (IRL)---- £6.95 Price Drop WAS £16
Belgium (BE)--------------- £7.95 Price Drop WAS £15
Netherlands (NL)---------- £6.95 Price Drop WAS £15
Germany (DE)-------------- £6.95 Price Drop WAS £25
Luxembourg (LUX)--------- £9.95 - NEW
France (FR)----------------- £9.95 Price Drop WAS £25
Austria (AT)---------------- £11.95 - NEW
Greece (GR)---------------- £12.95 - NEW
Sweden (SE)-------------- £14.95 - NEW
Denmark (DK)------------ £9.95 Price Drop WAS £15
Finland (FI)--------------- £15.95 - NEW
Italy (IT)------------------ £11.95 Price Drop WAS £16
Portugal (PT)------------- £11.95 Price Drop WAS £18
Poland (PL)----------------- £9.95 - NEW
Spain (ES)----------------- £12.95 Price Drop WAS £23
Sweden (SE)-------------- £11.95 Price Drop WAS £15
Slovakia (SK)------------- £11.95 - NEW
Slovenia (SL) ------------ £11.95 - NEW
Croatia (HR)-------------- £16.95 - NEW
Czech Republic (CZ)----- £10.95 - NEW
Hungary (HU)------------ £10.95 - NEW
Bulgaria (BG)------------ £14.95 - NEW
Romania (RO)------------ £13.95 - NEW
Switzerland (CH)--------- £12.95 - NEW
Turkey (TR)--------------- £17.95 NEW
Channel Islands ----------£ 7.95 Price Drop WAS £15
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