AR57 AR-15 AR57 Upper Assembly 5.7x28mm FN 1 in 8 1/2" Twist 16" Barrel Chrome Moly with Free Float Quad Rail Handguard, Flash Hider,

Product #: 622550 AR57 #: AR57 UPC #: 094922150479
$689.99

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Product Information

Converts an AR-15 to shoot 5.7x28 FN. Unique upper design loads on top and accepts FN PS90 magazine (not included) and ejects downward through the AR-15 magwell. Upper is precision machined from a one piece aluminum forging. Integrated picatinny-style 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.
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    AR57 AR-15 AR57 Upper Assembly 5.7x28mm FN 1 in 8 1/2" Twist 16" Barrel Chrome Moly with Free Float Quad Rail Handguard, Flash Hider,
    AR57 AR-15 AR57 Upper Assembly 5.7x28mm FN 1 in 8 1/2" Twist 16" Barrel Chrome Moly with Free Float Quad Rail Handguard, Flash Hider,