0824160105a2 August 24, 2016 at: 1500 × 844 In: Future Firearms Ammunition Technology 005: Caseless Ammunition – Lightening the Load, Pt. 3 Caseless rounds, left to right: 7.62x34mm Frankford Arsenal caseless, 5.56x24mm FA caseless, 5.56x25mm Hercules caseless, 4.7x21mm H&K/DAG early caseless, 4.7x33mm HK/DAG G11 caseless.