| Bipod, Harris style, long, ACM | EKO Custom M4 CQB-R, 140m/s, AirsoftGuns, BY-039, BI-3981M | PTW M4A1 MAX 2012 M150, Crane, Ultimate Challenge Kit, Systema | |
| Price excl. VAT | 29,42 € | 260,50 € | 1 189,75 € | 
|---|---|---|---|
| Price incl. VAT | 35,60 € | 315,20 € | 1 439,60 € | 
| Gun Length | - | 795/710 mm | 808/908 mm | 
| Gun Weight | - | 2,8 kg | 3,3 kg | 
| Inner Barrel Length | - - | 300 mm 201 - 300 mm | 380 mm 301 - 400 mm | 
| Recommended Batteries | - | VB Li-Pol 11.1V, 2000mAh,15C, CQB | VB Li-Pol 11.1V, 1300mAh, 15C | 
| Hop-Up Perform | - | adjustable hop-up | adjustable hop-up | 
| Magazine Capacity | - | 300 BB | 120 BB | 
| Gearbox Version | - | reinforced version 2 (7 mm) | Planetary Gear Box | 
| Motor Type | - | Long torque | NEW 7511 | 
| Fire Mode | - | safe/semi-auto/full-auto | safe/semi-auto/full-auto | 
| Muzzle velocity specified by manufacturer | - | - | 150 m/s [492 fps] | 
| Muzzle velocity the measured | - | 140 m/s [459 fps] | 160 m/s [525 fps] | 
| - notice - | - | Battery and charger are not included. | Battery and charger are not included. | 
| Muzzle Velocity | - | 121 - 140 m/s [395 - 460 fps] | 141 - 160 m/s [461 - 524 fps] | 
| Trigger switch | - | - | electronic | 
| Recommended BBs | - | 0.25 - 0.28 g | 0.28 - 0.30 g | 
| Caliber | - | 6 mm | 6 mm | 
| Approximate Range | - | 70 m | 80 m | 
| Connector Type | - | T-Dean | T-Dean Middle | 
| Bearings | - | 7 mm, ball bearings, metal | - | 
| Motor Variant | - | Long | PTW | 
| Magazine (Lowcap/Midcap/Hicap/Xhicap) | - | hi-cap | mid-cap | 
| AEG Variant (EBB/NBB) | - | NBB | NBB | 
| BlowBack | - | No | No | 
| Detail | Detail | Detail | 
| Bipod, Harris style, long, ACM | Price excl. VAT: 29,42 € | Price incl. VAT: 35,60 € | - | - | - - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| EKO Custom M4 CQB-R, 140m/s, AirsoftGuns, BY-039, BI-3981M | Price excl. VAT: 260,50 € | Price incl. VAT: 315,20 € | 795/710 mm | 2,8 kg | 300 mm 201 - 300 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] | - | 0.25 - 0.28 g | 6 mm | 70 m | T-Dean | 7 mm, ball bearings, metal | Long | hi-cap | NBB | No | |
| PTW M4A1 MAX 2012 M150, Crane, Ultimate Challenge Kit, Systema | Price excl. VAT: 1 189,75 € | Price incl. VAT: 1 439,60 € | 808/908 mm | 3,3 kg | 380 mm 301 - 400 mm | VB Li-Pol 11.1V, 1300mAh, 15C | adjustable hop-up | 120 BB | Planetary Gear Box | NEW 7511 | safe/semi-auto/full-auto | 150 m/s [492 fps] | 160 m/s [525 fps] | Battery and charger are not included. | 141 - 160 m/s [461 - 524 fps] | electronic | 0.28 - 0.30 g | 6 mm | 80 m | T-Dean Middle | - | PTW | mid-cap | NBB | No |