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EKO Custom M4A1, 140m/s, AirsoftGuns, BY-036, BI-3681M M4 RIS CQB, gen. V3, black, GBB, WE
Price excl. VAT 257,85 € 309,09 €
Price incl. VAT 312,00 € 374,00 €
Gun Length 850/770 mm   750/660 mm  
Gun Weight 2,8 kg   2,90 kg  
Inner Barrel Length 363 mm   260 mm  
Recommended Batteries VB Li-Pol 11.1V, 2000mAh,15C, CQB   -
Hop-Up Perform adjustable hop-up   adjustable hop-up  
Magazine Capacity 300 BB   30 BB  
Gearbox Version reinforced version 2 (7 mm)   -
Motor Type Long torque   -
Fire Mode safe/semi-auto/full-auto   safe/semi-auto/full-auto  
Muzzle velocity specified by manufacturer - 120 m/s [394 fps]  
Muzzle velocity the measured 140 m/s [459 fps]   125 m/s [410 fps]  
- notice - Battery and charger are not included.   -
Gas Gun Variant (GBB/GNB) - GBB  
Propellant Gas - GreenGas  
Muzzle Velocity 121 - 140 m/s [395 - 460 fps]   101 - 120 m/s [329 - 394 fps]  
Inner Barrel Length (filter) 301 - 400 mm   201 - 300 mm  
Recommended BBs 0.25 - 0.28 g   0.20 - 0.23 - 0.25 g  
Caliber 6 mm   6 mm  
Approximate Range 70 m   60 m  
Connector Type T-Dean   -
Bearings 7 mm, ball bearings, metal   -
Motor Variant Long   -
Magazine (Lowcap/Midcap/Hicap/Xhicap) hi-cap   -
AEG Variant (EBB/NBB) NBB   -
BlowBack No   Yes, gas  
Detail Detail
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EKO Custom M4A1, 140m/s, AirsoftGuns, BY-036, BI-3681M Price excl. VAT: 257,85 € Price incl. VAT: 312,00 € 850/770 mm   2,8 kg   363 mm   VB Li-Pol 11.1V, 2000mAh,15C, CQB   adjustable hop-up   300 BB   reinforced version 2 (7 mm)   Long torque   safe/semi-auto/full-auto   - 140 m/s [459 fps]   Battery and charger are not included.   - - 121 - 140 m/s [395 - 460 fps]   301 - 400 mm   0.25 - 0.28 g   6 mm   70 m   T-Dean   7 mm, ball bearings, metal   Long   hi-cap   NBB   No  
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M4 RIS CQB, gen. V3, black, GBB, WE Price excl. VAT: 309,09 € Price incl. VAT: 374,00 € 750/660 mm   2,90 kg   260 mm   - adjustable hop-up   30 BB   - - safe/semi-auto/full-auto   120 m/s [394 fps]   125 m/s [410 fps]   - GBB   GreenGas   101 - 120 m/s [329 - 394 fps]   201 - 300 mm   0.20 - 0.23 - 0.25 g   6 mm   60 m   - - - - - Yes, gas  

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