TechT MRT H.E. Bolt for Tippmann Crossover Barrel Backs/Fronts/Inserts/Adapters This battery is meant for

This battery is meant for use in any M4 with Crane stock setup

Protecting players from scrapes and hard impacts is the primary purpose of the impact absorption 8mm protection

Adjustable "O-ring" neck

We highly recommend this one

Using Techt's patent pending MRT Technology™

TechT MRT H.E. Bolt for Tippmann Crossover Barrel Backs/Fronts/Inserts/Adapters This battery is meant forThe TECHT MRT(MASS REDUCTION TECHNOLOGY) HE Pro Series Crossover Bolt has been engineered to maximize efficiency, and consistency. We have also pushed down the weight of the bolt considerably making the Tippmann Crossover shoot with much less kick. BUTTERY SMOOTH. We have again used the soft touch face which will significantly decrease ball breakage. We minimized the weight of the crossover by using hardened aluminum instead of steel. The hardened