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AR-15 5.7mm Upper Assembly with 16" Barrel

Item # WX2-160862

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Details & Specs

Complete AR-15 5.7mm Upper Assembly transforms your AR into a powerhouse!

Turn standard AR-15 Rifle into a FNH 5.7 with a 16" barrel.

Specs:
  • Fits FN PS 90 top-mounted magazines (not included) for straight line, low-profile shooting, even prone
  • Performance design ejects spent casings down the mag well, eliminating flying brass (and hot cases down shirt collars!)
  • Upper receiver and rails are precisely milled from a solid block of 7075 T6 aircraft aluminum for years of service
  • Rails accommodate any style of sighting system
  • Barrel has flash hider
  • Blow-back action, no gas system to get fouled. Easy maintenance.

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Please Note : Intended for use with carbine stocks and comes with a carbine (230g) buffer. An additional (233.5g) buffer is required for all "butt-stock" / A2 type lower receivers.

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