POLARSTAR KYTHERA V2 M4 HAMMERS 5″ / 115 mmOne-piece SIGMAFORGE®

5″ / 115 mmOne-piece SIGMAFORGE® constructionMade of special formula high performance “NO STAIN” German stainless steelFRIODUR® ice-hardened blades57° Rockwell HardnessNew wedge shaped blades with high tips

100% compatible with Tokyo Marui AK series upgrades and customization

Walther   P99 QA

6" razor-sharp stainless steel blade

this 263 optimizes durability to aid you in any daily task

POLARSTAR KYTHERA V2 M4 HAMMERS 5″ / 115 mmOne-piece SIGMAFORGE®IT IS THE USER'S RESPONSIBILITY TO ENSURE THAT THE PARTS ARE COMPATIBLE BEFORE PURCHASE. ALL PARTS ARE FINAL SALE The Kythera has been the most eagerly anticipated products from PolarStar in the past decade. This HPA system is a radical departure from all previous systems that PolarStar has produced since the Kythera does not use a battery, an FCU or any type of electronics. The Kythera is completely mechanical. This means you never have to worry