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M4/M16 Variant
The M4 is the most popular airsoft platform in the UK: easy to upgrade, with parts and M4 magazines available everywhere. Choose an AEG for low running costs, a gas blowback (GBBR) for realism, or an HPA build for consistency.Short CQB versions suit indoor sites, while longer barrels and full-length handguards suit woodland games.
No UKARA? Show two-tone replicas only: you just need to be 18 or over.
Showing 1–18 of 19 results
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Ares Amoeba M4 AEG CCP Tactical (ARES-AM-003-BK – Black)
£139.95Add to basket -
Ares Amoeba M4 AEG CCP Tactical (ARES-AM-003-DE – Tan)
£139.95Add to basket -
Ares M45X-S with EFCS Gearbox (Retractable Stock with Arm Stabilizing Brace – Tan – AR-086E)
£147.95Add to basket -
Ares M45X-S with EFCS Gearbox (S-Class L – Tan – AR-088E)
£147.95Add to basket -
Cyma CM515 M4 Long RIS AEG (Sports Line – CM515 – Blue)
£100.95Add to basket -
Cyma CM515 M4 Long RIS AEG (Sports Line) (Black)
£85.95Add to basket -
Cyma CM516 M4 URX AEG (Sports Line – Black – CM516)
£85.95Add to basket -
Cyma CM517 M4 Short AEG (Sports Line – Black – CM517)
£85.95Add to basket -
Cyma CM517 M4 Short AEG (Sports Line – CM517 – Blue)
£100.95Add to basket -
Cyma CYMA Platinum Tactical AK with CQB M4 Stock (Black – Featherweight – CM680G)
£139.95Add to basket -
Cyma M4 AEG (Inbuilt Silencer – Black – CM513 – Blue)
£100.95Add to basket -
Cyma M4 CM506 RIS CQB AEG (CYMA-CM506 – Blue)
£100.95Add to basket -
Cyma M4 CM506 RIS CQB AEG (CYMA-CM506)
£85.95Add to basket -
Cyma M4 CQB RIS AEG (Black – CM501)
£85.95Add to basket -
Cyma M4 Keymod (Nylon Fibre – Mosfet/QD Spring – Inc. Bat. & Charger – CM621)
£139.95Add to basket -
Cyma M4 Long UX (Nylon Fibre – Mosfet/QD Spring – Inc. Bat. & Charger – CM622)
£139.95Add to basket -
Cyma M4 M-Lok (Nylon Fibre – Mosfet/QD Spring – Inc. Bat. & Charger – CM623)
£139.95Add to basket -
Cyma M4 Short UX (Nylon Fibre – Mosfet/QD Spring – Inc. Bat. & Charger – CM620)
£139.95Add to basket
Questions about M4/M16 Variant
Will any M4 magazine fit my rifle?
AEG M4s take standard M4 AEG magazines (low-cap, mid-cap or hi-cap). Gas blowback rifles need gas magazines made for that system, such as MWS or GHK types, so check the product page.
CQB or full length?
A CQB M4 (around 10 inch outer barrel) is quicker in buildings; a longer barrel gives a little more stability and is better at range outdoors. Either works for most sites.
What battery do I need?
Most M4 AEGs use a 7.4V LiPo with a mini or Deans connector, fitted in the stock or handguard. Browse LiPo batteries.
Do I need UKARA?
To buy a realistic imitation firearm (RIF) in the UK you need a valid defence, such as UKARA registration through your local site. Two-tone (brightly coloured) replicas only need you to be 18 or over.