Product Details
Collapsing recoil assembly for your HK51 or V51. Engineered in America by Innovative Armament Corporation. This is the complete recoil assembly ready to pin onto your 51 carbine or SBR Pistol. Also available as a complete buttstock assembly.
SPECIFICATIONS / SPECIAL FEATURES:
* Allows for the use of latest generation HK buttstock on HK51 and V51 carbines and SBR pistols
* Large 5mm diameter rod
* Steel rod hardened to rockwell c93 specifications and a tensile strength of 174,000psi
* Stainless steel hardware
* Full TIG weld construction for strength and durability
* Specially designed piston head reduces internal friction and eliminates binding
* Designed in America by Americans
