Turn the AR-15 into a sub gauge shotgun! Our upper fires .410 shot shells and fits on 5.56 or .223 AR-15 lowers. Installation is identical to any other upper just drop on your factory lower, use the included bolt carrier group, charging handle, buffer and spring then add the 10 round .410 magazine and that’s all it takes to get started. Be sure to check ammo before buying as we have found substantial fluctuations in the over all case length. If you can load it in the mag it will feed. 2.30 inch or less case length worked well in testing. We recommend shooting heavier loads to get your upper broken in. The uppers we tested only needed less than a box of heavy loads before they flawlessly shot the low brass bird shot.
INCLUDES:
- (1) .410 COMPLETE UPPER WITH BOLT CARRIER GROUP AND CHARGING HANDLE
- (1) 10 ROUND POLYMER MAGAZINE
- (1) OOPS KIT (EXTRA HAND GUARD HARDWARE AND GAS RING)
- (2) OPTIONAL RAILS WITH HARDWARE
- (2) BUFFERS AND (2) BUFFER SPRINGS TO FIT A VARIETY OF AMMO
HAND GUARD LENGTH; 10.5″
13 SLOT PICATINNY RAIL ON RECEIVER
26 SLOT PICATINNY RAIL ON ALUMINUM HAND GUARD
M-LOK RAIL INTERFACE SYSTEM EVERY 45 DEGREES
7 SLOT PICATINNY RAIL ON BOTTOM OF MUZZLE END OF HAND GUARD
11″ THREADED AND PORTED BARREL SHROUD
Usage Recommendations:
- As with all firearms, this Semi-Auto shotgun upper must go through a break-in period. In some cases two boxes might be required.
- These uppers where designed and tested using European manufactured 410 shotgun shells.
- For best results, use shells that measure 2.25" - 2.39" in overall length.
- Use .410 High Brass Shotgun shells to break in. A minimum of 1200 fps is recommended. These magazines will not accommodate all 2 1/2″ 410 gauge shells. 410 ammunition varies in length by manufacturer. If the shell will go in the magazine without forcing it the magazine will feed fine.
- We recommend the following brands for this upper: Nobel Sport, Herter, and Estate .410 ammunition.
