Systema Precision BS Barrel M4 XM Sig551
Availability: Out of Stock
- High Performance Barrel for M4, M4A1, Sig 551, XM 177, or any comparable Airsoft AEG Gun Rile
- Tight Bore High Perfomance Airsoft AEG Gun 6.04 mm Inner Barrel
- Perfect for tighter grouping, more accurate shooting
- Increases FPS for Higher Veloicty and more accurate shots
- Airsoft Barrel Upgrade Video Review Available. Click More Info.