Welcome to Mid State Firearms.

Mid State Firearms specializes in offering top quality Ar15 Upper Receivers, parts, and accessories for sale. We also work to provide you with the best prices on anything you need for home or self defense. Whether you need a fun range toy, or a defense weapon to protect your family, we are here to help.  Be sure to browse all of our items and options to customize your upper for your needs.

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    121 - 180 of 258 items
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    AR 308 / DPMS / ar10 Stripped Upper Receiver with DCFA Non-Reciprocating Side Charging Billet Ar15 Upper with DCFA
    308 Melonite Bolt Carrier GroupAR 308 / DPMS / ar10 Stripped Upper Receiver with DCFANon-Reciprocating Side Charging Billet Ar15 Upper with DCFA

    $179.00

    $159.00

    $149.00

    $134.75

    $299.95

    $279.95

    (4)
     
    Upgrade to Non-Reciprocating Side Charging Upper  *add on item* 7" v7 Keymod Slant Front Slim Free Float Rail / Handguard
    Upgrade to Non-Reciprocating Side Charging Upper *add on item*7" v7 Keymod Slant Front Slim Free Float Rail / Handguard7" gen1 free float quad rail

    $299.95

    $249.95

    $99.00

    $89.00

    $49.99

     
    7" Gen3 Slim Free Float Rail / Handguard 7" F7 Keymod Flat Front Slim Free Float Rail / Handguard 7" c7 Keymod 'Scoop Front" Slim Free Float Rail / Handguard
    7" Gen3 Slim Free Float Rail / Handguard7" F7 Keymod Flat Front Slim Free Float Rail / Handguard7" c7 Keymod 'Scoop Front" Slim Free Float Rail / Handguard

    $99.00

    $89.00

    $99.00

    $89.00

    $99.00

    $89.00

     
    7" Gen2 Slim Free Float Picatinny Quad Rail 9" F9 Keymod  Slim Free Float Rail / Handguard 9" v9 Keymod 'Slant Front" Slim Free Float Rail / Handguard
    7" Gen2 Slim Free Float Picatinny Quad Rail9" F9 Keymod Slim Free Float Rail / Handguard9" v9 Keymod 'Slant Front" Slim Free Float Rail / Handguard

    $99.99

    $59.99

    $109.00

    $99.00

    $109.00

    $99.00

     
    9" c9 Keymod 'Scoop Front" Slim Free Float Rail / Handguard 10" Gen2 Slim Free Float Picatinny Quad rail 10" Gen3 Slim Free Float Handguard / Rail
    9" c9 Keymod 'Scoop Front" Slim Free Float Rail / Handguard10" Gen2 Slim Free Float Picatinny Quad rail10" Gen3 Slim Free Float Handguard / Rail

    $109.00

    $99.00

    $109.99

    $79.99

    $119.00

    $89.00

    (2)
     
    10" blem Free Float Quad Rail 12" Gen3 Slim Free Float Rail / Handguard 12" Gen2 Slim Free Float Picatinny Quad Rail
    10" blem Free Float Quad Rail12" Gen3 Slim Free Float Rail / Handguard12" Gen2 Slim Free Float Picatinny Quad Rail

    $99.99

    $49.99

    $125.00

    $95.00

    $115.00

    $85.00

    (1)
     
    12" blem Free-Float Quad Rail 12" Triangle Cutout Keymod Rail / Handguard 15" Gen2 Slim Free Float Picatinny Quad Rail
    12" blem Free-Float Quad Rail12" Triangle Cutout Keymod Rail / Handguard15" Gen2 Slim Free Float Picatinny Quad Rail

    $104.99

    $39.99

    $99.00

    $79.00

    $125.00

    $95.00

     
    15" Gen3 Slim Free Float Handguard / Rail MI SSK-KeyMod Series One Piece Free Float Handguard, 15-inch 15" Triangle Cutout Keymod Rail / Handguard
    15" Gen3 Slim Free Float Handguard / RailMI SSK-KeyMod Series One Piece Free Float Handguard, 15-inch15" Triangle Cutout Keymod Rail / Handguard

    $145.00

    $99.00

    (1)

    $219.95

    $199.95

    $99.00

    $79.00

    (1)
     
    15" Slim Keymod F15 Free Float Rail 15" Slim Keymod V15 Slant Front Free Float Rail 16.5" Triangle Cutout Keymod Rail / Handguard
    15" Slim Keymod F15 Free Float Rail15" Slim Keymod V15 Slant Front Free Float Rail16.5" Triangle Cutout Keymod Rail / Handguard

    $149.00

    $99.00

    (1)

    $149.00

    $99.00

    (1)

    $99.00

     
    End cap for handguard, .750 barrel dia MI SSK-KeyMod Series One Piece Free Float Handguard, 10.5-inch MI SSK-KeyMod Series One Piece Free Float Handguard, 12-inch
    End cap for handguard, .750 barrel diaMI SSK-KeyMod Series One Piece Free Float Handguard, 10.5-inch MI SSK-KeyMod Series One Piece Free Float Handguard, 12-inch

    $9.99

    (2)

    $184.95

    $179.95

    $199.95

    $189.95

     
    SI Link Curved afg ForeGrip, M-Lok & Key Mod Compatible - Black SI Link Curved afg ForeGrip, M-Lok & Key Mod Compatible - Blue SI Link Curved afg ForeGrip, M-Lok & Key Mod Compatible - Grey
    SI Link Curved afg ForeGrip, M-Lok & Key Mod Compatible - Black SI Link Curved afg ForeGrip, M-Lok & Key Mod Compatible - BlueSI Link Curved afg ForeGrip, M-Lok & Key Mod Compatible - Grey

    $44.95

    $44.95

    $44.95

     
    SI Link Curved afg ForeGrip, M-Lok & Key Mod Compatible - Red 5" 9mm Nitride Ar15 Barrel 7.5" .300 AAC Blackout  Ar15 Pistol Barrel
    SI Link Curved afg ForeGrip, M-Lok & Key Mod Compatible - Red5" 9mm Nitride Ar15 Barrel7.5" .300 AAC Blackout Ar15 Pistol Barrel

    $44.95

    $139.00

    $119.00

    $149.00

    $99.00

     
    7.5" 5.56 / .223 Wylde 1:7 4150 Barrel 10.5" .300 AAC Blackout 1:8 Ar15 Barrel 10.5" 4150 m4 1:8 5.56 / .223 Wylde Ar15 Barrel
    7.5" 5.56 / .223 Wylde 1:7 4150 Barrel10.5" .300 AAC Blackout 1:8 Ar15 Barrel10.5" 4150 m4 1:8 5.56 / .223 Wylde Ar15 Barrel

    $149.99

    $94.89

    (1)

    $179.00

    $99.00

    $179.00

    $99.00

     
    10.5" 9mm Nitride Ar15 Barrel 10.5" Stainless 1:7 5.56 / .223 Wylde Ar15 Barrel Clearance 14.5" 5.56/.223 Wylde 1:8 Ar15 Pistol Barrel
    10.5" 9mm Nitride Ar15 Barrel10.5" Stainless 1:7 5.56 / .223 Wylde Ar15 BarrelClearance 14.5" 5.56/.223 Wylde 1:8 Ar15 Pistol Barrel

    $139.00

    $119.00

    $179.00

    $99.00

    $149.00

    $59.99

     
    16" 6.8 SPC II 4150 m4 Ar15 Barrel 10.5" Stainless 1:8 5.56 / .223 Wylde Ar15 Barrel 16" Stainless Mid-Length 5.56 NATO 1:7 Ar15 Barrel
    16" 6.8 SPC II 4150 m4 Ar15 Barrel10.5" Stainless 1:8 5.56 / .223 Wylde Ar15 Barrel16" Stainless Mid-Length 5.56 NATO 1:7 Ar15 Barrel

    $219.00

    $119.00

    $179.00

    $99.00

    $149.00

    $119.00

     
    16" 9mm 1:10 4150 Ar15 Lightweight Contour Barrel 16" .223 Wylde 1:8 Stainless Spiral Fluted Ar15 Barrel 16" Stainless 7.62 x 39 1:10 Ar15 Hbar Carbine Threaded Barrel
    16" 9mm 1:10 4150 Ar15 Lightweight Contour Barrel16" .223 Wylde 1:8 Stainless Spiral Fluted Ar15 Barrel16" Stainless 7.62 x 39 1:10 Ar15 Hbar Carbine Threaded Barrel

    $179.00

    $119.00

    $269.00

    $149.00

    $199.00

    $139.00

     
    16" SS 5.56 Nato 1:7 5r Mid-Length Lightweight Pencil Barrel 16" .223 Wylde 1:8 Stainless Diamond Fluted Ar15 Barrel 16" 223 Wylde 1:8 4150 m4 Ar15 Barrel
    16" SS 5.56 Nato 1:7 5r Mid-Length Lightweight Pencil Barrel16" .223 Wylde 1:8 Stainless Diamond Fluted Ar15 Barrel16" 223 Wylde 1:8 4150 m4 Ar15 Barrel

    $199.00

    $119.00

    $269.00

    $179.00

    $189.00

    $99.00

     
    16" .223 Wylde 1:8 Mid-Length 4150 Lightweight Pencil Barrel 16" Stainless 300 AAC Blackout 1:8 Socom Ar15 Threaded Barrel 16" 223 Wylde 1:8 416r Stainless m4 Threaded AR15 Barrel
    16" .223 Wylde 1:8 Mid-Length 4150 Lightweight Pencil Barrel16" Stainless 300 AAC Blackout 1:8 Socom Ar15 Threaded Barrel16" 223 Wylde 1:8 416r Stainless m4 Threaded AR15 Barrel

    $199.00

    $119.00

    $199.00

    $149.00

    $219.00

    $119.00

     
    16" 300 Blackout Ar15 1:8 Barrel, Carbine 16" 6.5 Grendel 4150 m4 Ar15 Barrel 16" 7.62x39 Ar15 1:10 Barrel, Carbine
    16" 300 Blackout Ar15 1:8 Barrel, Carbine16" 6.5 Grendel 4150 m4 Ar15 Barrel16" 7.62x39 Ar15 1:10 Barrel, Carbine

    $179.99

    $99.00

    (4)

    $219.00

    $149.00

    $189.99

    $79.00

    (1)
     
    18" 1:8 416r Stainless Fluted .223 Wylde Barrel 18" Socom 5.56 / .223 Wylde Midlength Midweight Ar15 Barrel 20" Stainless Fluted .223 Wylde 1:8 Ar15 Barrel
    18" 1:8 416r Stainless Fluted .223 Wylde Barrel18" Socom 5.56 / .223 Wylde Midlength Midweight Ar15 Barrel20" Stainless Fluted .223 Wylde 1:8 Ar15 Barrel

    $249.99

    $159.99

    $199.00

    $129.00

    $249.99

    $179.99

     
    121 - 180 of 258 items