| Durable Custom M4A1 RIS, 130m/s, AirsoftGuns, BY-051, BI-5181M | Vz. AEP 61, Well, R2C | CNC air nozzle, 40mm, Retro ARMS | |
| Price excl. VAT | 360,66 € | 60,50 € | 4,30 € | 
|---|---|---|---|
| Price incl. VAT | 436,40 € | 73,20 € | 5,20 € | 
| Gun Length | 870/785 mm | 270/522 mm | - | 
| Gun Weight | 3,4 kg | 1,10 kg | - | 
| Inner Barrel Length | 363 mm 301 - 400 mm | 128 mm 121 - 140 mm | - - | 
| Recommended Batteries | VB Li-Pol 7.4V, 2200mAh, 20C | after modification AEP Li-Pol 7.4V, 250mAh (20C) | - | 
| Hop-Up Perform | adjustable hop-up | adjustable hop-up | - | 
| Magazine Capacity | 300 BB | 370/58 BB | - | 
| Gearbox Version | reinforced version 2 (7 mm) | AEP | - | 
| Motor Type | Long SHS - hi-torque | AEP | - | 
| Fire Mode | safe/semi-auto/full-auto | safe/semi-auto/full-auto | - | 
| Muzzle velocity specified by manufacturer | - | 70 m/s [230 fps] | - | 
| Muzzle velocity the measured | 130 m/s [427 fps] | 55 m/s [180 fps] | - | 
| - notice - | Battery and charger are not included. | Battery and charger are included. | - | 
| Muzzle Velocity | 121 - 140 m/s [395 - 460 fps] | up to 80 m/s [262 fps] | - | 
| Recommended BBs | 0.25 - 0.28 g | 0.12 - 0.20 g | - | 
| Caliber | 6 mm | 6 mm | - | 
| Approximate Range | 65 m | 30 m | - | 
| Connector Type | T-Dean | AEP type | - | 
| Bearings | 7 mm, ball bearings, metal | 6 mm, bushing, nylon | - | 
| Motor Variant | Long | AEP | - | 
| Magazine (Lowcap/Midcap/Hicap/Xhicap) | hi-cap | - | - | 
| AEG Variant (EBB/NBB) | NBB | NBB | - | 
| BlowBack | No | No | - | 
| Detail | Detail | Detail | 
| Durable Custom M4A1 RIS, 130m/s, AirsoftGuns, BY-051, BI-5181M | Price excl. VAT: 360,66 € | Price incl. VAT: 436,40 € | 870/785 mm | 3,4 kg | 363 mm 301 - 400 mm | VB Li-Pol 7.4V, 2200mAh, 20C | adjustable hop-up | 300 BB | reinforced version 2 (7 mm) | Long SHS - hi-torque | safe/semi-auto/full-auto | - | 130 m/s [427 fps] | Battery and charger are not included. | 121 - 140 m/s [395 - 460 fps] | 0.25 - 0.28 g | 6 mm | 65 m | T-Dean | 7 mm, ball bearings, metal | Long | hi-cap | NBB | No | |
| Vz. AEP 61, Well, R2C | Price excl. VAT: 60,50 € | Price incl. VAT: 73,20 € | 270/522 mm | 1,10 kg | 128 mm 121 - 140 mm | after modification AEP Li-Pol 7.4V, 250mAh (20C) | adjustable hop-up | 370/58 BB | AEP | AEP | safe/semi-auto/full-auto | 70 m/s [230 fps] | 55 m/s [180 fps] | Battery and charger are included. | up to 80 m/s [262 fps] | 0.12 - 0.20 g | 6 mm | 30 m | AEP type | 6 mm, bushing, nylon | AEP | - | NBB | No | |
| CNC air nozzle, 40mm, Retro ARMS | Price excl. VAT: 4,30 € | Price incl. VAT: 5,20 € | - | - | - - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |