Billet XF50 Upper Receiver- Tri-Rail- PS90 (tm) Compatible

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Tri Rail Variant, XF50 billet upper receiver (formerly the EFFEN90) by Imperial Arms Co.

This is only for the stripped receiver. No other parts are included.
*XF50 = CrossFed-50Rounds
*Precision CNC'd out of billet 6061 aluminum
*Weighs 14.8 oz (35% lighter than the Factory FN® receiver)
*Tactical low profile, integral, 12 lug, mil-spec picatinny rail
*Monolithic single-piece construction with removable side rails
*Billet 6061 aluminum construction provides higher strength than the factory cast receiver
*Durable type iii, mil-spec, black anodized finish
*Marked 5.7x28
*Great for NFA SBR builds (CMMG Barrels recommended) or upgrading your factory receiver
*Will accept standard FN® PS90® parts
*Simply THE BEST aftermarket PS90/P90® receiver ever made

Must ship to an FFL. Transfers as a stripped receiver. It is your responsibility to know your own state and local firearms laws before purchasing.