PZD 556 SV
| Firing mode | Fully automatic |
| Operation | Short-stroke gas piston open bolt |
| Trigger pull | 5.5 KG/12LB |
| Color | Matte black |
| Caliber | 5.56X45MM NATO |
| Ammo | SS109/M80 or equivalent |
| Link | M27 |
| Belt | Belt fed from left side disintegrating links |
| Can | 100 RDS/200 RDS Ammo can |
| Barrel | Cold hammer-forged nitrided mil-spec barrel |
| Barrel length | 349 MM/13.74“ |
| Twist rate | 1:7 |
| Muzzle energy | 3,470 J/2,559 FT-LB |
| Muzzle velocity | 850 M/S/2800FPS |
| Effective range | 800 M |
| Rate of fire | 850 RPM |
| Weight | 7.35 KG/16 LB |
| Length | 720-865 MM 34.7-37.75 IN |
| Stock | 5 Positions collapsible |
| Width | 117 MM/4.6 IN |
| Height | 227 MM/8.9 IN |
| Front | Adjustable lightweight |
| Rear | Adjustable on 1913 rail |
The PZD 556 SV has the same features as the PZD 556 with a shortened collapsible stock designed for CQB/FIBUA and airborne operations. The shortened collapsible stock can be easily replaced with a basic stock.