First ever AR build... Almost done :O) Aero Precision Stripped M4 profile Upper and lower recievers Rock river arms LPK with Trigger job and soooo smooth and light. 4.5 pound pull, butter smooth. Feels better than my buddies 2 stage :noel: Magpul BAD lever Magpull enhanced "winter" trigger guard J&S Bolt and carrier group J&S Billet Charge handle Pneumatic buffer assembly Yankee Hill Machine full floating Diamond Spectre Handgaurd (entire gas assy will be hidden underneath it- has a slick end cap as well) Ambi sling mounting ring Magpull MBUS' YHM Spectre Low profile gas block Will be ordering a Daniel Defense M4 14.5" barrel and pinning my Muzzle Brake to it to make it all legal (16" overall lenghth) to finish her off next week. Have a couple Magpul magazines and a couple Charles daily steelies so far in the mag hoarding department.