EFFEN 90 Tri-Rail Complete SBR Kit with 1/2 x 28 Thread Adaptor

$943.90 $903.90

EFFEN 90 Tri-Rail – Precision Cut PS90 Billet Upper Receiver

Enhance the aesthetics of your PS90 with the Effen 90 Tri-Rail Custom Billet Receiver. Perfect for your SBR project.

*Serialized Component. FFL required for shipping. This item can take 5-7 days to ship.

CMMG 10.4" Barrel for PS90

The best choice for your PS90 SBR project. Pair this with a CMMG PS90 Flash hider or thread adaptor to complete your SBR. Tax Stamp and gunsmithing required.

In stock

CMMG Thread Adapter for PS90

Use this with a short barrel on your PS90 SBR build to attach your favorite muzzle device.  Adapts the standard M12 x 1.0 LH threads of the PS90 to 1/2″-28 which is compatible with most 5.56/.223 muzzle devices.

In stock

PS90 Upper Receiver Parts Kit

This PS90 parts kit is for those who purchased a stripped receiver, barrel and compensator but don't want to move the parts from their factory receiver. Includes the following FN original factory parts:

  • PS90 Cocking Handle Assembly
  • PS90 Barrel Support Lock (take down button)
  • PS90 Barrel Support Lock Spring
  • PS90 Barrel Return Spring
  • PS90 Cocking Handle Return Spring

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SKU: effen-90-tri-rail-sbr-kit-1-1 Categories: ,