Valken Bio .25g BBs 10Kg Bulk Box - Orange Playing Gear they had two tank cover

they had two tank cover sizes that fit the 50/4500 and 68/4500

For LOW PROFILE on HALO / MAGNA it's better to use the Ultra Soft Elastomer (see below)

Both a foregrip and a bipod in one single lightweight unit this double threat is worth more then it's weight in goal if lightweight and streamline mindset is to be followed

Dual Handle Straps

20g BBs and 900-1000 rpm using a 11

Valken Bio .25g BBs 10Kg Bulk Box - Orange Playing Gear they had two tank coverThe Players selection of weight can be determined by factoring combinations of play style, airsoft gun (power upgrades), game environment (CQB Milsim Outdoor), and local rule sets. Lighter BB Weight Advantages Higher velocities for faster time to target Accuracy varies and long ranges (ideal for suppression) For use in most spring, gas, and electric powered airsoft guns Features Premium BB Diameter: 5. 95mm + . 01 Tolerances Ball bearing quality