PS90 SBR Conversion – Labor Only


Have National Firearm Sales professionally install your short barrel and laser engrave your receiver on an existing PS90 with factory 16″ barrel and shroud to a Short Barrel Rifle. Choose this product if you are providing some or all of your own parts.

IMPORTANT NOTICE: This is for labor and laser engraving only.


IMPORTANT NOTICE: Approval from the ATF is required prior to installing this or any barrel under 16″ on your firearm. Installation without a tax stamp from the ATF is illegal and may result in fines and prison.

Instructions for shipping us your receiver when choosing the installation option:

  • ship us ONLY the receiver in good condition, with all accessories removed
  • print the invoice from your confirmation email and include with your shipment
  • Ship your items signature required using FedEx, USPS or UPS. Plenty of bubble wrap/cushioned packing material and insurance is recommended.
  • DO NOT ship the frame or any aftermarket accessories


  • Include a copy of your approved Form 1 with affixed Tax Stamp from the BATF
  • Individuals: include a copy of your driver’s license. All information MUST match what’s on your order.
  • Dealers: include a copy of your FFL

Shipping address:

National Firearm Sales Inc |
11070 Wiles Road
Coral Springs, FL 33076

*Damage to the factory barrel shroud and/or factory barrel may be necessary to install these components.