OLYMPIC ARMS AR15 9MM UPPER RECEIVER – Olympic Arms has probably been manufacturing and offering pistol caliber AR15 rifles longer than anyone and they do a great job.Olympic Arms uses a proprietary magazine that fits the AR15 magwell without the need for a conversion block. depending on your view this may be good or bad. Typically 9mm AR15 rifles use magazines based around 9mm UZI magazines. Olympic Arms approach is less expensive and more simple.
OLYMPIC ARMS AR15 9MM UPPER RECEIVER -The ORIGINAL 9mm AR15 conversion assembly. The K9URFT is a complete upper AR15 style receiver assembly chambered in the wildly popular and affordable 9mm pistol cartridge. This upper is 100% complete and ready for installation on any standard mil-spec AR15 lower. Installation is as easy as swapping out the upper receiver unit, and changing the magazine. No mag-well blocks, no need to change the hammer, trigger, or recoil assembly. All the necessary modifications to convert to 9mm are contained in the upper receiver and the magazine. Simply drop this upper on your lower, swap to the appropriate 9mm magazine (one provided with each upper), and you are ready to shoot. Swap back and forth between 9mm and 5.56 in seconds! Safe to use +P and +P+ ammunition.
Standard features include:
- Forged 7076T6 aluminum Picatinny flat-top upper receiver
- M4 style handguards (Made in the USA!)
- Standard GI mil-spec style front sight base
- Threaded muzzle (1/2 x 28 tpi)
- Removable Flash suppressor
- Semi-auto pistol caliber Bolt Carrier Assembly
- Conical pistol caliber bolt
- One high capacity 25 round Olympic Arms polymer magazine (Made in the USA!)
This upper uses a direct blow-back operation, and is not a delayed gas-impingement system. Not compatible with other manufacturers 9mm conversions, and is designed to use Olympic Arms magazines. Lifetime Warranty – Warranty handled directly by Olympic Arms, Inc.