All correspondence must be made through the Vendor Portal. Specifications include, but are not limited to: AR15 – Upper & Suppressors Specifications Upper Receiver assembly: 11.5” barrel, 5.56 chamber, 1/7” rifling. A3 Flat top receiver with dust cover, shell deflector, and forward assist M-LOC compatible aluminum free float handguard Yankee Hill Machine Turnbo K 5.56 suppressor. The suppressor will be threaded and pinned to the barrel. The suppressor will have the following specifications: Constructed from 17-4 Stainless Steel and 718 Inconel Overall length of 4.75” measure without the mounting device Overall diameter of 1.562” Overall suppressor weight of 8.8 oz Accessories to be priced separate of the upper receiver assembly Magpul MBUS front sight Complete AR15 bolt carrier group. Aluminum 2” M-LOC compatible 1913 Picatinny rail section H2 Carbine Buffer, 4.6-4.7oz Radian Raptor SD ambidextrous charging handle Quick detach QD sling Swivel with M-LOC compatible QD mount