Items Available For Purchase Today Object reference not set to an instance of an object. See All AR57 5.7X28mm 16" Rifle Upper - Accepts FN P90 5.7 Mags For Sale from: Fortress Tactical ( FFL) | No feedback Yet View | Verified Seller | 2 Completed Sales View Sellers Items AR57 5.7X28mm 16" Rifle Upper - Accepts FN P90 5.7 Mags For Sale from: Fortress Tactical | No feedback Yet View | Verified Seller | 2 Completed Sales View Sellers Items Fortress Tactical Seller Since: Jan. 2007 Identity Verified ( ENKA, NC ) This seller is an FFL City: Enka State: NC SOLD - $709.00 Shipping: $15.00 (or Arrange local transfer) Accepted Payment Methods: Returns: No Returns This Seller Accepts Instant Online Payments Description: Brand new Gen 2 AR57 LEM 5.7X28mm AR Rifle upper - 16" fluted barrel w/AR57 flash suppressor - Ambidextrous mag release/charging handle - Includes (1) FN 50rd magazine & 4.6oz carbine buffer tube Unique upper design accepts FN PS90/P90 magazines and ejects downward through the AR15 magwell. Upper is precision machined from a one piece aluminum forging. Integrated picatinny quad rail system allows attachment of various accessories. Parkerized chrome alloy bolt and full-floated barrel. Teflon-infused hard coat anodized aluminum upper and rails. Note: A2 rifle butt stocks/lower receivers require AR57-A2 Buffer. Please contact AR57 directly for further details. Condition: New In Box Brand: AR57 AR Five Seven Item #: 987595974 Location: NC Trades Accepted: Share: Shipping Notes: No credit card fees at Fortress Tactical! No FFL required on AR uppers. All orders are normally shipped within 2-3 business days. No returns on any item, unless the issue is our fault. Questions? Contact us at or . Specializing in Primary Weapons (PWS), Suppressors and SBRs. Items You've Viewed Recently North American Arms .22 Short Long Rifle... $19.00 SELLER: Robertson Trading Post (FFL Dealer) Add To Cart