The MRA V1-B Receiver Set is a novel, spring assisted, straight pull, magazine fed firearm design.# It is composed of a proprietary upper and lower receiver and proprietary bolt carrier with integrated, swap-able left or right hand charging handle.# This receiver kit is compatible with a wide variety of commonly available firearm parts and accessories.# In this way, the user can build a rifle to meet their specific utility and budget.
This receiver set is designed and intended to not be capable of discharging ammunition in a semi-automatic fashion.# The design is novel and is not derived from any restricted or prohibited firearm.# Due to the action type and novel design, this receiver set meets the legal standard of a non-restricted firearm as per the Canadian Firearms Act and related Regulations.# The minimum overall length when assembled into a working firearm must be over 26″ to meet the standard of non-restricted.
Spring-assisted, manually-operated, straight-pull bolt action
Side-charging handle can be mounted to Left or Right side (ejects to the Right always
Can be readily assembled to shoot 223 Rem, 5.56×45, .300 BLK, 6.5 Grendel, .224 Valkyrie, 7.62×39, and many other cartridges
Integrated QD port at the rear
Designed and manufactured entirely in Canada
Receiver Material:# High quality, domestically sourced 6061-T6 alloy
Receiver Finish:# Hard Black Anodizing
Bolt Carrier Material:# HTSR 4140 steel
Bolt Carrier Finish:# QPQ Black Nitride
(1) MRA V1-B Upper Receiver
(1) MRA V1-B Lower Receiver
(1) MRA V1-B Bolt Carrier (requires bolt, firing pin, camp in, and retaining pin)
(1) MRA V1-B Charging Handle
(1) MRA V1-B End Plate
(1) MRA V1-B Barrel Gas Journal Seal .750″ diameter (allows the use of various aftermarket barrels with a gas port)
Barrel, bolt, hanguard, buttstock, lower parts kit, bolt, muzzle device
Most AR-15 barrels, buttstocks, handguards, pistol grips, magazines, etc.
Not compatible with:
#AR-15 bolt carriers, AR-15 upper receivers, AR-15 lower receivers, AR-15 charging handles