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M4A1 semi-automatic Co2 air rifle

This brand new all-metal semi automatic only CO2 BB air rifle is yet another "copy" similar in construction to Russian-made Yunker air rifles. Fully detachable magazine comprises both the 18 BBs feeding tube and Co2 bulb. This M4 is a REAL size of 5.56mm M4 and can take a real M9 bayonet and real M4 magazine with INERT ammo, turning this rifle effectively into de-activated replica, which can be used for training. It has all the correct markings of a real rifle incluiding 3-position fire selector, 5.56mm calibre and serial number. The Co2 M4A1 imitates the high quality alluminium-made upper and lower receivers of a real weapon, with steel gas tube and all moving parts including charging handle, forward assist button and removable carry handle. What's more, is that we also increase the power of the magazine by about 1 Joule by re-machining its main air valve to allow more air preasure into the barrel as an option
Calibre, mm / inch
4.5 (.177)
Muzzle velocity, Fps / m-s
495 / 165
Energy, Joule (optional)
4.5 (5.5)
steel smooth bore
Fire action
Magazine capacity, BBs
Butt stock
Weight, kg
PRICE (standard factory)
PRICE (increased power)
PRICE (£399 inc power upgrade)
M4 CQB R.I.S. features the same specs as above + shorter barrel with R.I.S. handguards (FREE power upgrade! - 5.5 Joules)
PRICE (£399 inc power upgrade)
M16A1 Vietnam features the same specs as above + longer barrel with longer M16 handguards. Carry handle and upper are one piece. (FREE power upgrade! - 5.5 Joules)

Conditions of purchase in the UK (MAIL ORDER): NO LISENCE REQUIRED ! but in accordance with Violent Crime Reduction Act (Section 33: Age limits for purchase etc of air weapons), from October 2007 customers are required to prove their age when purchasing this product in person (18 years of age or over !). The transaction of an airgun is to be conducted face-to-face or through your nearest airgun or firearms shop/ retailor. A document confirming your age will be required on collection of an airgun. The above law does not apply to customers overseas. To find your nearest Air Gun retailor search or come and collect by appointment from our storage in Wokingham (just 35min drive from West London or 45 min by train from Waterloo by Reading service). Mail order sale of airgun silencers, replacement barrels and BB ammunition to over 18 ONLY! You MUST confirm your age by e-mail or in writing

EU / Europe airguns can be shipped safely to any EU member country for JUST £30. All parcels are insured and trackable via internet

USA / Canada / Norway / Switzerland / Non-EU markets the above airgun can ONLY be shipped by sea / surface via (airlines refuse to take it on board). Acceptable payment methods: direct BANK TRANSFER or CASH via NO CREDIT CARDS !

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