Will straight trade a very rare OEM SBR Tactical TRIM upper (specs below) for an HK clone from MKE Century Arms such as an AP5-SD AP5 AP5-P AP5-N AP5P-N AP51 PDW  AP53  etc.

local only ap5 ap5p ap5-p ptr9ct ptr-9ct ptr9kt ptr-9kt

 

pper Specifications
 Upper Receiver  Forged 7075-T6
 Laser Etching  Wilson Combat Logo and Caliber
 T.R.I.M.  Tactical Rail Interface, 10.4"
 Gas Block  Lo-Profile
 Bolt Carrier Assembly  NP3 Plated
 Muzzle Device  Accu-Tac Flash Hider
 Finish  Armor-Tuff on Upper Receiver and Barrel
 Weight  3 lb. 6 oz.

 

Barrel Specifications
 Chamber  300 AAC Blackout
 Feed Ramps  M4 Style
 Gas Block Seat  .750" Diameter by .920" Length - Dimpled for Set Screw
 Gas System  Pistol Length
 Length  11.3"
 Material  Stainless Steel, Type 416R, Barrel Grade
 Muzzle Threads  5/8" x 24
 Profile  SBR Tactical
 Rifling  1:8, RH, Six Groove, Precision Button Rifling
 Weight  22 oz.