This is the JBL Reaper Series Black Aluminum Open muzzle Integrated Tip Speargun Features: Aircraft grade aluminum barrel with integrated rail for ultimate accuracy and minimal flex. 9/32 heat treated stainless steel shaft with integrated Point and tuned flopper. Threaded shafts are available separately. Two 5/8" Elite Nitro Bands with triple core Spectra wishbones Integrated barrel float chamber - Speargun floats without spearshaft Optional gun butt for easy loading Integrated rail mount for accessories Steel reinforced muzzle eyelet for reels .25" stainless steel sear and line release Ambidextrous safety and line release Open muzzle Ergonomic handle American Made The JBL Reaper Series Black Aluminum Open muzzle Integrated Tip Speargun is designed with an aircraft grade aluminum barrel and integrated rail for precise accuracy and minimal flex. The 9/32 heat treated stainless steel shaft with integrated Point and tuned flopper ensures successful strikes. Optional gun butt, rail mount for accessories, and steel reinforced muzzle eyelet for reels add convenience to this American-made speargun.