This single shot loading block was specifically
designed for Mossberg MVP rifles chambered
in 204 – 5.56. The detachable design allows
the user to switch between single shot
loading and standard magazine loading simply
by removing the block like a magazine. Great
for bench shooting, training, and perfecting
hand loads.
• Smooth Bolt Cycling
• Eliminates Magazine/Bolt Interface Noise
• No Failure to Feed
• Detaches like a Magazine
• Flush with Rifle Bottom
• Made of High Strength Polymer
• Designed and Made in USA