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Assemble and/or Disassemble Upper Receiver
Assemble and/or Disassemble Upper Receiver

Assemble and/or Disassemble Upper Receiver

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Your Price: $40.00
Part Number: CD-AS-1
Availability: Back Order. Free Shipping.
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Maybe you don't have all the special tools. Maybe you lacking the technical ability. Maybe you simply don't have the time. Either way, we've got you covered. With countless years of experience, you can rest assured that your parts will be taken care of and assembled flawlessly! Below is a basic rundown on how we assemble and disassemble each every upper receiver. We know it sounds like a lot, but most people don't realize how much time and effort goes into properly assembling and disassembling components.

The Disassembly and Assembly option should be selected when you are sending us an assembled upper receiver that needs to have components that are currently on the upper receiver assembly changed out with different components. We will preformed all the actions we typically preform when assembling an upper receiver while preforming the Disassembly and Assembly option.


Please Note: 
  • Return Shipping is NOT included in this price. We will contact you once your services are complete to arrange shipping. 
  • Please make sure that your contact information is accurate. We will be using the information from your checkout to send you your return shipment and contact you if needed.
  • Please make sure you are sending us a complete list of parts unless purchasing some items from us. However, In the rare event that your package does arrive missing something, we will contact you and discuss to discuss your options.

Assembly
  1. Inspect all components to ensure that they are within the proper specifications. If any component(s) are not withing specifications, customer will be contacted prior to assembly.
  2. Check Headspace - Headspace will only be checked when a barrel and bolt are supplied or purchased together.
  3. Apply Aeroshell 33MS/64 grease to barrel nut threads and upper receiver threads.
  4. Properly torque barrel and all other hardware to the proper specifications.
  5. Dimple barrel for gas block - Only one dimple will be made under the gas port to properly align the gas block.
  6. Measure and record gas port size.
  7. Apply Blue Loctite 243 to threads of set screws unless specified to use a different retaining compound. 
  8. Install knurled set screw in gas block when applicable.
  9. Clamp upper receiver and rail in Classified Defense Picatinny Alignment Vise Jaws and the tighten down rail. This ensures perfect alignment of the upper receiver and rail.
  10. Time muzzle device and apply Rocksett unless a crush washer is used. Customer will need to provide shims or add them from the drop down option menu.
  11. Check concentricity between bore and suppressor with suppressor alignment rod. Currently only available for Surefire, Silencerco, AAC, BFA Groove Indexing, and Q Suppressors. More Coming Soon!
  12. Place masking tape over brass deflector and test fire completed upper receiver assembly unless specified otherwise. Test fire will be three rounds in total.
  13. Install protective cap on bare threads and/or chamber to prevent shipping damage if applicable.
  14. Provide customer with checklist of completed tasks and information regarding their parts.
Disassembly
  1. Inspect upper receiver assembly for any worn and/or broken parts. If any damaged or broken parts are found, the customer will be contacted prior to disassembly. 
  2. Completely disassemble upper receiver assembly and all components. Upper receiver will still have forward assist and dust cover installed unless otherwise specified. 
  3. Individually wrap/bag all components to ensure they aren't damaged during shipping.
  4. Install protective cap on bare threads and/or chamber to prevent shipping damage if applicable.
  5. Provide customer with checklist of completed tasks and information regarding their parts.

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