These YANKEE HILL MACHINE kits include everything you need to convert your standard AR-15 type rifle to fire 9mm ammunition. Only the best products available have been selected for this kit. These top ends were designed and tested using a MIL-SPEC lower receiver with a Hahn Precision 9mm Magazine Adapter and a standard hammer.
- Mil. Spec. Forged 7075-T6 Aluminum YHM Flat Top Upper Receiver
- “T” Marked Upper Receiver
- Forward Assist Installed
- CMMG Ramped 9mm Bolt Carrier Assembly (YHM-921-A)
- Hahn Precision Magazine Adapter (YHM-920)
- YHM Extended, Heavyweight Buffer (YHM-925-A)
- 16″ Chrome-Moly Vanadium Steel Barrel, Heat Treated to RC 25-32, Threaded 1/2″-36
- Chambered in 9X19mm, with a 1:14″, 6 groove Twist
- YHM 9mm 5C2 Flash Hider / Compensator (YHM-80-5C2)
- YHM Carbine Length Handguard (YHM-9645)
- YHM Single Rail Gas Block (YHM-9385-A)
- Metalform 32 Round 9mm Magazine (MAG-9MM32)
I suggest the use of KNS ANTI ROTATION TRIGGER PINS on all pistol caliber AR15 rifles.