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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    1 - 60 of 317 items
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    *Pistol Build Kit* 7.5" Shockwave 5.56 / 223 Ar15 w/ 7" Rail 16 Fluted Rainbow PVD Oilslick .223 Wylde 416r Ar15 Barrel 16" 223 Wylde Melonite 1:7 Ar15 upper with 12" Light MLok Rail
    *Pistol Build Kit* 7.5" Shockwave 5.56 / 223 Ar15 w/ 7" Rail16 Fluted Rainbow PVD Oilslick .223 Wylde 416r Ar15 Barrel16" 223 Wylde Melonite 1:7 Ar15 upper with 12" Light MLok Rail

    $549.00

    $299.00

    $299.00

    $249.00

    $390.00

    $199.00

     
    18" 1:8 SS Fluted 5.56/223 MLok Upper, Nickel Boron BCG & CH 18" SS 223 Wylde 1:8 Rifle length Ar15 Upper w 15 MLok Rail 6.5 Creedmoor 18" 416r Stainless Fluted Barrel Lr 308 ar
    18" 1:8 SS Fluted 5.56/223 MLok Upper, Nickel Boron BCG & CH18" SS 223 Wylde 1:8 Rifle length Ar15 Upper w 15 MLok Rail6.5 Creedmoor 18" 416r Stainless Fluted Barrel Lr 308 ar

    $699.99

    $499.99

    (4)

    $389.00

    $199.00

    $349.00

    $149.00

     
    Ar15 Shockwave Lower Build parts kit - Blade, Pistol Tube , LPK AR15 XL Assembled Upper Receiver - 458 / 450 / 50 big bore Combo sale! blem Assembled Ar15 Upper, Nickel BCG, & Handle
    Ar15 Shockwave Lower Build parts kit - Blade, Pistol Tube , LPKAR15 XL Assembled Upper Receiver - 458 / 450 / 50 big boreCombo sale! blem Assembled Ar15 Upper, Nickel BCG, & Handle

    $149.00

    $99.00

    $109.99

    $79.98

    $249.00

    $149.00

     
    Maxim Defense Industries, CQB Pistol/PDW Brace for AR15 Oilslick 224 Valkyrie 22" 1:7 416r Spiral Ar15 Barrel Shockwave Blade Pistol Stabilizer With Buffer Kit, Black or FDE
    Maxim Defense Industries, CQB Pistol/PDW Brace for AR15Oilslick 224 Valkyrie 22" 1:7 416r Spiral Ar15 Barrel Shockwave Blade Pistol Stabilizer With Buffer Kit, Black or FDE

    $395.00

    $479.00

    $299.00

    $128.95

    $78.95

     
    20" 1:8 5r SS Fluted 223 Wylde MLok Upper, Nickel Boron BCG & CH *Rifle Build Kit* 16" Ar15 5.56/.223 1:7 blem w/ 10" Free Float *Rifle BuildKit* 16" Slant Keymod Ar15 5.56 Nato SS Mid 1:8 blem
    20" 1:8 5r SS Fluted 223 Wylde MLok Upper, Nickel Boron BCG & CH*Rifle Build Kit* 16" Ar15 5.56/.223 1:7 blem w/ 10" Free Float*Rifle BuildKit* 16" Slant Keymod Ar15 5.56 Nato SS Mid 1:8 blem

    $799.99

    $499.99

    $529.99

    $299.99

    $599.99

    $399.99

     
    *sale* Ar15 Lower Build Kit - Mil Spec 6 Position Stock & LPK *sale* Ar15 Standard Mil Spec Lower Parts Kit LPK 14.7" Cold Hammer Forged CHF 5.56 Nato 1:7 MidLength Ar15 Barrel
    *sale* Ar15 Lower Build Kit - Mil Spec 6 Position Stock & LPK*sale* Ar15 Standard Mil Spec Lower Parts Kit LPK14.7" Cold Hammer Forged CHF 5.56 Nato 1:7 MidLength Ar15 Barrel

    $149.00

    $89.00

    $59.99

    $44.99

    $299.00

    $79.00

     
    16" 1:7 5.56/223 Wylde blem AR15 Upper w/ BCG & Charging Handle 16" Blem 1:7 5.56/223 Wylde AR15 Upper with 10" Free Float 16" MSF Specter .223 Wylde Ar15 Upper with 12" Gen3 Slim Rail
    16" 1:7 5.56/223 Wylde blem AR15 Upper w/ BCG & Charging Handle16" Blem 1:7 5.56/223 Wylde AR15 Upper with 10" Free Float 16" MSF Specter .223 Wylde Ar15 Upper with 12" Gen3 Slim Rail

    $379.99

    $299.99

    $379.99

    $179.99

    $529.99

    $279.99

    (25)
     
    20" CHF 5.56 Nato 1:7 Melonite Ar15 Rifle Upper, c15 Rail 224 Valkyrie - 18" Stainless 416r 1:7 Ar15 Barrel 224 Valkyrie 22" 1:7 416r .224 SS Spiral Flute Ar15 Barrel
    20" CHF 5.56 Nato 1:7 Melonite Ar15 Rifle Upper, c15 Rail 224 Valkyrie - 18" Stainless 416r 1:7 Ar15 Barrel224 Valkyrie 22" 1:7 416r .224 SS Spiral Flute Ar15 Barrel

    $499.00

    $349.00

    $249.00

    $209.00

    $279.00

    $209.00

     
    224 Valkyrie Ar15 18" SS Upper with F15 Keymod Rail 6" Ar9 SS 9mm Ar15 Upper with Flash Can & Slant Keymod Aero Precision M5 .308 Assembled Upper Receiver - Anodized Black
    224 Valkyrie Ar15 18" SS Upper with F15 Keymod Rail6" Ar9 SS 9mm Ar15 Upper with Flash Can & Slant KeymodAero Precision M5 .308 Assembled Upper Receiver - Anodized Black

    $449.00

    $249.00

    $349.00

    $249.00

    $155.00

    $131.75

     
    Ar15 Oilslick Stormbreaker Tactical Unicorn Builder Set - *FFL* Blem 20" CHF 5.56 Nato 1:7 Melonite Ar15 Upper, with BCG & CH ToolCraft Melonite / Black Nitride M16 Bolt Carrier Group
    Ar15 Oilslick Stormbreaker Tactical Unicorn Builder Set - *FFL*Blem 20" CHF 5.56 Nato 1:7 Melonite Ar15 Upper, with BCG & CHToolCraft Melonite / Black Nitride M16 Bolt Carrier Group

    $649.00

    $599.00

    $499.00

    $349.00

    $189.00

    $79.00

     
    16" Stainless .223 Wylde 1:8 Ar15 Upper w/ C15 Slim Keymod Rail 20" 1:8 5r SS Fluted 5.56 MLok Upper, Nickel Boron BCG & CH *PREMIUM Rifle Build Kit* 3lb Trigger with Slim Rail & NiBo BCG
    16" Stainless .223 Wylde 1:8 Ar15 Upper w/ C15 Slim Keymod Rail20" 1:8 5r SS Fluted 5.56 MLok Upper, Nickel Boron BCG & CH*PREMIUM Rifle Build Kit* 3lb Trigger with Slim Rail & NiBo BCG

    $399.00

    $279.00

    (4)

    $799.99

    $499.99

    $699.99

    $574.99

     
    20" 416r Stainless Fluted 5.56/223 Wylde 1:8 5r MLok Upper Custom Assembled Oilslick Ar15 Upper - You pick options OilSlick Ar15 Bolt Carrier Group m16 BCG *Choose Your Caliber!*
    20" 416r Stainless Fluted 5.56/223 Wylde 1:8 5r MLok UpperCustom Assembled Oilslick Ar15 Upper - You pick optionsOilSlick Ar15 Bolt Carrier Group m16 BCG *Choose Your Caliber!*

    $799.99

    $349.99

    $599.00

    $499.00

    $249.00

    $179.00

     
    10.5" 4150 9mm ar15 upper, c13 keymod, flash can, bcg, ambi ch 16" SS .223 Wylde 1:8 AR15 Upper with c12 M-Lok Rail *Rifle Build Kit* 16" SS Ar15 5.56/.223 1:8 mid w/ c12 Mlok Rail
    10.5" 4150 9mm ar15 upper, c13 keymod, flash can, bcg, ambi ch 16" SS .223 Wylde 1:8 AR15 Upper with c12 M-Lok Rail*Rifle Build Kit* 16" SS Ar15 5.56/.223 1:8 mid w/ c12 Mlok Rail

    $499.00

    $399.00

    $379.99

    $279.99

    $599.99

    $399.00

     
    *Rifle Build Kit* 18"  Ar15 5.56/.223 Wylde 1:8 mid w/ c12 Mlok *Rifle Build Kit* blem 16" 4150 Ar15 1:7 223 Wylde, 10" mlok *Rifle Build Kit* blem 16" SS Ar15 5.56 1:8 mid, 12" mlok Rail
    *Rifle Build Kit* 18" Ar15 5.56/.223 Wylde 1:8 mid w/ c12 Mlok *Rifle Build Kit* blem 16" 4150 Ar15 1:7 223 Wylde, 10" mlok *Rifle Build Kit* blem 16" SS Ar15 5.56 1:8 mid, 12" mlok Rail

    $599.99

    $399.00

    $599.99

    $399.00

    $599.99

    $299.99

     
    10.5" SS 9mm ar15 upper, c13 keymod, flash can, bcg, ambi ch 16" SS blem Mid Length 5.56 Nato 1:8 AR15 Upper with c12 M-Lok 18" 1:8 5.56/223 Wylde Ar15 Upper with c12 Mlok
    10.5" SS 9mm ar15 upper, c13 keymod, flash can, bcg, ambi ch 16" SS blem Mid Length 5.56 Nato 1:8 AR15 Upper with c12 M-Lok18" 1:8 5.56/223 Wylde Ar15 Upper with c12 Mlok

    $499.00

    $399.00

    $379.99

    $229.99

    $479.99

    $329.99

     
    7.5 Blem 5.56/223 Ar15 Upper w/ M-Lok, BCG & Charging Handle 7.5" Blem 5.56/223 Ar15 Pistol Upper w/ M-Lok Handguard Oilslick Rainbow PVD Threaded Glock 17 G17 9mm Barrel 1/2-28
    7.5 Blem 5.56/223 Ar15 Upper w/ M-Lok, BCG & Charging Handle7.5" Blem 5.56/223 Ar15 Pistol Upper w/ M-Lok HandguardOilslick Rainbow PVD Threaded Glock 17 G17 9mm Barrel 1/2-28

    $419.00

    $299.00

    $419.00

    $229.00

    $229.00

    $129.00

     
    Oilslick Rainbow PVD Threaded Glock 19 G19 9mm Barrel 1/2-28 SALE! *blem* m4 Stripped upper with dust cover & fwd assist kit SALE! *blem* m4 Stripped upper, Ambi Latch Handle & Parts Kit
    Oilslick Rainbow PVD Threaded Glock 19 G19 9mm Barrel 1/2-28SALE! *blem* m4 Stripped upper with dust cover & fwd assist kitSALE! *blem* m4 Stripped upper, Ambi Latch Handle & Parts Kit

    $229.00

    $149.00

    $99.99

    $49.50

    $99.99

    $64.99

     
    SALE! *blem* Mil Spec Ar15 Stripped Upper Receiver, Limit 3 Stainless Threaded Glock 17 G17 9mm Barrel , 1/2-28 threads Oilslick Rainbow PVD Competition Muzzle Brake SS 1/2-28  223
    SALE! *blem* Mil Spec Ar15 Stripped Upper Receiver, Limit 3Stainless Threaded Glock 17 G17 9mm Barrel , 1/2-28 threadsOilslick Rainbow PVD Competition Muzzle Brake SS 1/2-28 223

    $79.99

    $43.89

    (1)

    $179.00

    $99.00

    $59.99

     
    Diamond Fluted Rainbow PVD Oilslick .223 Wylde 416r Ar15 Barrel M-Lok Blem 16" 223 Wylde 1:7 AR15 Upper w/ BCG & Charging Handle 16" SS blem Mid Length 5.56 Nato 1:8 AR15 Upper with 12" M-Lok
    Diamond Fluted Rainbow PVD Oilslick .223 Wylde 416r Ar15 BarrelM-Lok Blem 16" 223 Wylde 1:7 AR15 Upper w/ BCG & Charging Handle16" SS blem Mid Length 5.56 Nato 1:8 AR15 Upper with 12" M-Lok

    $299.00

    $249.00

    $379.99

    $299.99

    (1)

    $379.99

    $199.99

     
    Engraved Dust Cover - Ejection Port Cover CUSTOM Engraved Ar15  Ejection Port / Dust Cover MSF 16" 5.56/223 Wylde 1:8 Ar15 Upper, slim Mlok or Keymod Rail
    Engraved Dust Cover - Ejection Port CoverCUSTOM Engraved Ar15 Ejection Port / Dust CoverMSF 16" 5.56/223 Wylde 1:8 Ar15 Upper, slim Mlok or Keymod Rail

    $35.00

    $24.99

    $35.00

    $24.99

    $429.00

    $279.00

    (1)
     
    1 - 60 of 317 items
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