| Durable Custom M4A1, 130m/s, AirsoftGuns, BY-036, BI-3681M | RAVEN barrel, 6.01mm, G3, 469mm, PDI | M4 S-System, Well, D96 | M4 S-System, Well, MR799 | |
| Price excl. VAT | 353,39 € | 45,95 € | 37,36 € | 29,42 € | 
|---|---|---|---|---|
| Price incl. VAT | 427,60 € | 55,60 € | 45,20 € | 35,60 € | 
| Gun Length | 850/770 mm | - | 860/770 mm | 980/790/720 mm | 
| Gun Weight | 2,8 kg | - | 1,50 kg | 1,60 kg | 
| Inner Barrel Length | 363 mm 301 - 400 mm | - 401 - 500 mm | 200 mm 160 - 200 mm | 310 mm 301 - 400 mm | 
| Recommended Batteries | VB Li-Pol 7.4V, 2200mAh, 20C | - | - | - | 
| Hop-Up Perform | adjustable hop-up | - | without hop-up | without hop-up | 
| Magazine Capacity | 300 BB | - | 400 BB | 400 BB | 
| Gearbox Version | reinforced version 2 (7 mm) | - | plastic | - | 
| Motor Type | Long SHS - hi-torque | - | - | - | 
| Fire Mode | safe/semi-auto/full-auto | - | safe/full-auto | safe/one-shot | 
| Muzzle velocity specified by manufacturer | - | - | 40 m/s [132 fps] | 66 m/s [217 fps] | 
| Muzzle velocity the measured | 130 m/s [427 fps] | - | 50 m/s [164 fps] | 75 m/s [246 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] | up to 80 m/s [262 fps] | 
| Trigger switch | - | - | mechanical | - | 
| Recommended BBs | 0.25 - 0.28 g | - | 0.12 - 0.20 g | 0.20 - 0.23 - 0.25 g | 
| Caliber | 6 mm | - | 6 mm | 6 mm | 
| Approximate Range | 65 m | - | 20 m | 30 m | 
| Connector Type | T-Dean | - | - | - | 
| Bearings | 7 mm, ball bearings, metal | - | - | - | 
| Motor Variant | Long | - | - | - | 
| Magazine (Lowcap/Midcap/Hicap/Xhicap) | hi-cap | - | hi-cap | hi-cap | 
| AEG Variant (EBB/NBB) | NBB | - | NBB | - | 
| BlowBack | No | - | No | No | 
| Detail | Detail | Detail | Detail | 
| Durable Custom M4A1, 130m/s, AirsoftGuns, BY-036, BI-3681M | Price excl. VAT: 353,39 € | Price incl. VAT: 427,60 € | 850/770 mm | 2,8 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 | |
| RAVEN barrel, 6.01mm, G3, 469mm, PDI | Price excl. VAT: 45,95 € | Price incl. VAT: 55,60 € | - | - | - 401 - 500 mm | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| M4 S-System, Well, D96 | Price excl. VAT: 37,36 € | Price incl. VAT: 45,20 € | 860/770 mm | 1,50 kg | 200 mm 160 - 200 mm | - | without hop-up | 400 BB | plastic | - | safe/full-auto | 40 m/s [132 fps] | 50 m/s [164 fps] | Battery and charger are included. | up to 80 m/s [262 fps] | mechanical | 0.12 - 0.20 g | 6 mm | 20 m | - | - | - | hi-cap | NBB | No | |
| M4 S-System, Well, MR799 | Price excl. VAT: 29,42 € | Price incl. VAT: 35,60 € | 980/790/720 mm | 1,60 kg | 310 mm 301 - 400 mm | - | without hop-up | 400 BB | - | - | safe/one-shot | 66 m/s [217 fps] | 75 m/s [246 fps] | - | up to 80 m/s [262 fps] | - | 0.20 - 0.23 - 0.25 g | 6 mm | 30 m | - | - | - | hi-cap | - | No |