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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    181 - 240 of 331 items
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    10.5" Stainless 1:7 5.56/223 ar15 Upper with 10" Free Float Rail 10.5" Stainless .223 Wylde 1:8 Upper w/  MI SSK Slim Keymod Rail Troy Tomahawk PDW Stock - 5.56 Black
    10.5" Stainless 1:7 5.56/223 ar15 Upper with 10" Free Float Rail10.5" Stainless .223 Wylde 1:8 Upper w/ MI SSK Slim Keymod RailTroy Tomahawk PDW Stock - 5.56 Black

    $279.99

    (18)

    $489.99

    $379.99

    (1)

    $355.00

    $299.00

     
    B.A.D. Vert PDW Stock System *Pistol Build Kit* 10.5" 5.56 / .223 Wylde Ar15 with 10" FF Rail 18" 1:8 Stainless Fluted 5.56/223 ar15 Upper with 12" Free Float
    B.A.D. Vert PDW Stock System*Pistol Build Kit* 10.5" 5.56 / .223 Wylde Ar15 with 10" FF Rail18" 1:8 Stainless Fluted 5.56/223 ar15 Upper with 12" Free Float

    $450.00

    $419.00

    $529.00

    $329.00

    (1)

    $479.99

    $329.99

    (48)
     
    18" SS .223 Wylde 1:8 Fluted Ar15 Upper, 12" Midwest SSK Rail MSF 20" 1:8 Stainless Fluted .223 Wylde Ar15 Upper with 15" Rail 24" SS Fluted Heavy Bull 5.56 .223 Wylde Upper & Gen3 slim rail
    18" SS .223 Wylde 1:8 Fluted Ar15 Upper, 12" Midwest SSK RailMSF 20" 1:8 Stainless Fluted .223 Wylde Ar15 Upper with 15" Rail24" SS Fluted Heavy Bull 5.56 .223 Wylde Upper & Gen3 slim rail

    $579.99

    $459.99

    (4)

    $529.99

    $369.99

    (23)

    $529.00

    $399.00

    (5)
     
    7.5" 300 Blackout Ar15 Upper w/ Slim Keymod Free Float 7.5" 300 Blackout Ar-15 Upper with Free Float Rail 10.5" 300 Blackout Ar15 Upper
    7.5" 300 Blackout Ar15 Upper w/ Slim Keymod Free Float7.5" 300 Blackout Ar-15 Upper with Free Float Rail 10.5" 300 Blackout Ar15 Upper

    $329.00

    $279.00

    (2)

    $279.00

    $269.00

    (4)

    $329.99

    $279.00

    (9)
     
    16" 300 Blackout Stainless Ar15 Upper w/ F15 Slim Keymod Rail 16" 300 AAC Blackout Ar15 Upper with Free Float Rail *pistol gas *Pistol Build Kit* 10.5" 300 Blackout Ar15 with 10" FF Rail
    16" 300 Blackout Stainless Ar15 Upper w/ F15 Slim Keymod Rail16" 300 AAC Blackout Ar15 Upper with Free Float Rail *pistol gas*Pistol Build Kit* 10.5" 300 Blackout Ar15 with 10" FF Rail

    $479.00

    $349.00

    (1)

    $349.99

    $279.00

    $549.00

    $349.00

     
    16" 300 AAC Blackout Ar15 Upper with Free Float Rail BMS 300Blk Upper: 10.5" + welded Suppressor Shroud = Legal 16" 7.5" 7.62x39 Ar-15 Upper with Free Float Rail
    16" 300 AAC Blackout Ar15 Upper with Free Float RailBMS 300Blk Upper: 10.5" + welded Suppressor Shroud = Legal 16" 7.5" 7.62x39 Ar-15 Upper with Free Float Rail

    $329.99

    $279.00

    (17)

    $780.00

    $649.99

    (4)

    $279.00

    $269.00

     
    10.5" 7.62x39 Ar15 Pistol Upper w/ Free Float Quad Rail 7.62x39 16" Ar15 Upper with 10" Free Float Quad Rail 16" Ar .308 Upper with 15" Slim Keymod Rail (Dpms pattern)
    10.5" 7.62x39 Ar15 Pistol Upper w/ Free Float Quad Rail7.62x39 16" Ar15 Upper with 10" Free Float Quad Rail16" Ar .308 Upper with 15" Slim Keymod Rail (Dpms pattern)

    $299.99

    $279.99

    (2)

    $399.00

    $279.99

    (18)

    $599.99

    $399.00

    (1)
     
    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

    $149.00

    $149.00

    $134.75

    $299.95

    (4)
     
    7" v7 Keymod Slant Front Slim Free Float Rail / Handguard 7" Gen3 Slim Free Float Rail / Handguard
    7" v7 Keymod Slant Front Slim Free Float Rail / Handguard7" gen1 free float quad rail7" Gen3 Slim Free Float Rail / Handguard

    $99.00

    $59.00

    $49.99

    $99.00

    $89.00

     
    7" F7 Keymod Flat Front Slim Free Float Rail / Handguard 7" c7 Keymod 'Scoop Front" Slim Free Float Rail / Handguard 7" Gen2 Slim Free Float Picatinny Quad Rail
    7" F7 Keymod Flat Front Slim Free Float Rail / Handguard7" c7 Keymod 'Scoop Front" Slim Free Float Rail / Handguard7" Gen2 Slim Free Float Picatinny Quad Rail

    $99.00

    $59.00

    $99.00

    $59.00

    $99.99

    $59.99

     
    9" F9 Keymod  Slim Free Float Rail / Handguard 9" v9 Keymod 'Slant Front" Slim Free Float Rail / Handguard 9" c9 Keymod 'Scoop Front" Slim Free Float Rail / Handguard
    9" F9 Keymod Slim Free Float Rail / Handguard9" v9 Keymod 'Slant Front" Slim Free Float Rail / Handguard9" c9 Keymod 'Scoop Front" Slim Free Float Rail / Handguard

    $109.00

    $69.00

    $109.00

    $69.00

    $109.00

    $69.00

     
    10" Gen2 Slim Free Float Picatinny Quad rail 10" Gen3 Slim Free Float Handguard / Rail 12" Gen3 Slim Free Float Rail / Handguard
    10" Gen2 Slim Free Float Picatinny Quad rail10" Gen3 Slim Free Float Handguard / Rail12" Gen3 Slim Free Float Rail / Handguard

    $109.99

    $79.99

    $119.00

    $89.00

    (2)

    $125.00

    $95.00

     
    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 15" Triangle Cutout Keymod Rail / Handguard 15" Slim Keymod F15 Free Float Rail
    15" Gen3 Slim Free Float Handguard / Rail15" Triangle Cutout Keymod Rail / Handguard15" Slim Keymod F15 Free Float Rail

    $145.00

    $99.00

    (1)

    $99.00

    $79.00

    (1)

    $149.00

    $69.00

    (1)
     
    15" Slim Keymod V15 Slant Front Free Float Rail 16.5" Triangle Cutout Keymod Rail / Handguard End cap for handguard, .750 barrel dia
    15" Slim Keymod V15 Slant Front Free Float Rail16.5" Triangle Cutout Keymod Rail / HandguardEnd cap for handguard, .750 barrel dia

    $149.00

    $69.00

    (1)

    $99.00

    $9.99

    (2)
     
    MI SSK-KeyMod Series One Piece Free Float Handguard, 10.5-inch MI SSK-KeyMod Series One Piece Free Float Handguard, 12-inch SI Link Curved afg ForeGrip, M-Lok & Key Mod Compatible - Black
    MI SSK-KeyMod Series One Piece Free Float Handguard, 10.5-inch MI SSK-KeyMod Series One Piece Free Float Handguard, 12-inchSI Link Curved afg ForeGrip, M-Lok & Key Mod Compatible - Black

    $184.95

    $179.95

    $199.95

    $189.95

    $44.95

     
    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 - Red
    SI Link Curved afg ForeGrip, M-Lok & Key Mod Compatible - BlueSI Link Curved afg ForeGrip, M-Lok & Key Mod Compatible - GreySI Link Curved afg ForeGrip, M-Lok & Key Mod Compatible - Red

    $44.95

    $44.95

    $44.95

     
    5" 9mm Nitride Ar15 Barrel 7.5" .300 AAC Blackout  Ar15 Pistol Barrel 7.5" 5.56 / .223 Wylde 1:7 4150 Barrel
    5" 9mm Nitride Ar15 Barrel7.5" .300 AAC Blackout Ar15 Pistol Barrel7.5" 5.56 / .223 Wylde 1:7 4150 Barrel

    $139.00

    $99.00

    $149.00

    $79.00

    $169.99

    $94.89

    (1)
     
    10.5" .300 AAC Blackout 1:8 Ar15 Barrel 10.5" 4150 m4 1:8 5.56 / .223 Wylde Ar15 Barrel 10.5" 9mm Nitride Ar15 Barrel
    10.5" .300 AAC Blackout 1:8 Ar15 Barrel10.5" 4150 m4 1:8 5.56 / .223 Wylde Ar15 Barrel10.5" 9mm Nitride Ar15 Barrel

    $179.00

    $79.00

    $199.00

    $99.00

    $139.00

    $99.00

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

    $199.00

    $99.00

    $219.00

    $99.00

    $199.00

    $99.00

     
    181 - 240 of 331 items
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