| Durable Custom M4 CQB-R, 130m, s AirsoftGuns, BY-039, BI-3981M | Protective mask, FACE 2G, desert, ACM | GP1799 T5, BK, SV, BK, WE | |
| Price excl. VAT | 355,70 € | 7,60 € | 85,62 € | 
|---|---|---|---|
| Price incl. VAT | 430,40 € | 9,20 € | 103,60 € | 
| Gun Length | 795/710 mm | - | 187 mm | 
| Gun Weight | 2,8 kg | - | 0,80 kg | 
| Inner Barrel Length | 300 mm 201 - 300 mm | - - | 97 mm 81 - 100 mm | 
| Recommended Batteries | VB Li-Pol 7.4V, 2000mAh, 15C, CQB | - | - | 
| Hop-Up Perform | adjustable hop-up | - | adjustable hop-up | 
| Magazine Capacity | 300 BB | - | 24 BB | 
| Gearbox Version | reinforced version 2 (7 mm) | - | - | 
| Motor Type | Long SHS - hi-torque | - | - | 
| Fire Mode | safe/semi-auto/full-auto | - | safe/semi-auto | 
| Muzzle velocity specified by manufacturer | - | - | 90 m/s [295 fps] | 
| Muzzle velocity the measured | 130 m/s [427 fps] | - | 95 m/s [312 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] | - | 81 - 100 m/s [263 - 328 fps] | 
| Color, Camo | - | TAN | - | 
| Recommended BBs | 0.25 - 0.28 g | - | 0.20 - 0.23 - 0.25 g | 
| Caliber | 6 mm | - | 6 mm | 
| Approximate Range | 65 m | - | 45 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 | Detail | 
| Durable Custom M4 CQB-R, 130m, s AirsoftGuns, BY-039, BI-3981M | Price excl. VAT: 355,70 € | Price incl. VAT: 430,40 € | 795/710 mm | 2,8 kg | 300 mm 201 - 300 mm | VB Li-Pol 7.4V, 2000mAh, 15C, CQB | 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 | |
| Protective mask, FACE 2G, desert, ACM | Price excl. VAT: 7,60 € | Price incl. VAT: 9,20 € | - | - | - - | - | - | - | - | - | - | - | - | - | - | - | - | TAN | - | - | - | - | - | - | - | - | - | |
| GP1799 T5, BK, SV, BK, WE | Price excl. VAT: 85,62 € | Price incl. VAT: 103,60 € | 187 mm | 0,80 kg | 97 mm 81 - 100 mm | - | adjustable hop-up | 24 BB | - | - | safe/semi-auto | 90 m/s [295 fps] | 95 m/s [312 fps] | - | GBB | GreenGas | 81 - 100 m/s [263 - 328 fps] | - | 0.20 - 0.23 - 0.25 g | 6 mm | 45 m | - | - | - | - | - | Yes, gas |