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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    241 - 300 of 335 items
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    10.5" 9mm Nitride Ar15 Barrel 10.5" Stainless 1:7 5.56 / .223 Wylde Ar15 Barrel 16" 6.8 SPC II 4150 m4 Ar15 Barrel
    10.5" 9mm Nitride Ar15 Barrel10.5" Stainless 1:7 5.56 / .223 Wylde Ar15 Barrel16" 6.8 SPC II 4150 m4 Ar15 Barrel

    $139.00

    $99.00

    $199.00

    $99.00

    $219.00

    $99.00

     
    10.5" Stainless 1:8 5.56 / .223 Wylde Ar15 Barrel 16" Stainless Mid-Length 5.56 NATO 1:7 Ar15 Barrel 16" 9mm 1:10 4150 Ar15 Lightweight Contour Barrel
    10.5" Stainless 1:8 5.56 / .223 Wylde Ar15 Barrel16" Stainless Mid-Length 5.56 NATO 1:7 Ar15 Barrel16" 9mm 1:10 4150 Ar15 Lightweight Contour Barrel

    $199.00

    $99.00

    $169.00

    $119.00

    $179.00

    $99.00

     
    16" .223 Wylde 1:8 Stainless Spiral Fluted Ar15 Barrel 16" Stainless 7.62 x 39 1:10 Ar15 Hbar Carbine Threaded Barrel 16" SS 5.56 Nato 1:7 5r Mid-Length Lightweight Pencil Barrel
    16" .223 Wylde 1:8 Stainless Spiral Fluted Ar15 Barrel16" Stainless 7.62 x 39 1:10 Ar15 Hbar Carbine Threaded Barrel16" SS 5.56 Nato 1:7 5r Mid-Length Lightweight Pencil Barrel

    $289.00

    $149.00

    $199.00

    $79.00

    $219.00

    $119.00

     
    16" .223 Wylde 1:8 Stainless Diamond Fluted Ar15 Barrel 16" 223 Wylde 1:8 4150 m4 Ar15 Barrel 16" .223 Wylde 1:8 Mid-Length 4150 Lightweight Pencil Barrel
    16" .223 Wylde 1:8 Stainless Diamond Fluted Ar15 Barrel16" 223 Wylde 1:8 4150 m4 Ar15 Barrel16" .223 Wylde 1:8 Mid-Length 4150 Lightweight Pencil Barrel

    $289.00

    $179.00

    $209.00

    $99.00

    $219.00

    $119.00

     
    16" Stainless 300 AAC Blackout 1:8 Socom Ar15 Threaded Barrel 16" 223 Wylde 1:8 416r Stainless m4 Threaded AR15 Barrel 16" 300 Blackout Ar15 1:8 Barrel, Carbine
    16" Stainless 300 AAC Blackout 1:8 Socom Ar15 Threaded Barrel16" 223 Wylde 1:8 416r Stainless m4 Threaded AR15 Barrel16" 300 Blackout Ar15 1:8 Barrel, Carbine

    $199.00

    $129.00

    $239.00

    $119.00

    $179.99

    $79.00

    (4)
     
    16" 6.5 Grendel 4150 m4 Ar15 Barrel 16" 7.62x39 Ar15 1:10 Barrel, Carbine 18" 1:8 416r Stainless Fluted .223 Wylde Barrel
    16" 6.5 Grendel 4150 m4 Ar15 Barrel16" 7.62x39 Ar15 1:10 Barrel, Carbine18" 1:8 416r Stainless Fluted .223 Wylde Barrel

    $219.00

    $129.00

    $189.99

    $69.00

    (1)

    $269.99

    $159.99

     
    18" Socom 5.56 / .223 Wylde Midlength Midweight Ar15 Barrel 20" 416r Stainless Fluted .223 Wylde 1:8 Ar15 5r Barrel 20" Stainless Spiral Fluted .223 Wylde 1:8 Ar15 Barrel
    18" Socom 5.56 / .223 Wylde Midlength Midweight Ar15 Barrel20" 416r Stainless Fluted .223 Wylde 1:8 Ar15 5r Barrel20" Stainless Spiral Fluted .223 Wylde 1:8 Ar15 Barrel

    $219.00

    $129.00

    $269.99

    $179.99

    $289.99

    $199.99

    (1)
     
    24" 5.56 / .223 Wylde Stainless Fluted 1:8 .875 Heavy Barrel 6.5 Grendel Type II Stainless Ar15 Barrels - 18, 20, 24 inch 6.5 Creedmoor 24" 416r Stainless Fluted Barrel Lr308 / Ar10
    24" 5.56 / .223 Wylde Stainless Fluted 1:8 .875 Heavy Barrel 6.5 Grendel Type II Stainless Ar15 Barrels - 18, 20, 24 inch6.5 Creedmoor 24" 416r Stainless Fluted Barrel Lr308 / Ar10

    $319.00

    $199.00

    $249.00

    $169.00

    $349.00

    $249.00

     
    Ar15 Gas Tubes - Pistol, Carbine, Mid-Length, Rifle Ar15 Stripped Upper With Dust Cover and Forward Assist Installed Mil Spec Ar15 Stripped Upper Receiver - a3/a4 Flat Top
    Ar15 Gas Tubes - Pistol, Carbine, Mid-Length, RifleAr15 Stripped Upper With Dust Cover and Forward Assist InstalledMil Spec Ar15 Stripped Upper Receiver - a3/a4 Flat Top

    $13.00

    $9.99

    (3)

    $129.99

    $79.99

    (3)

    $79.99

    $49.99

    (1)
     
    Stripped Lightweight Ar15 Sport Upper - No dc/fa Charging Handle - Spec Ops Oversized Extended Latch - Black Ar15 Standard Charging Handle
    Stripped Lightweight Ar15 Sport Upper - No dc/faCharging Handle - Spec Ops Oversized Extended Latch - BlackAr15 Standard Charging Handle

    $59.99

    $54.99

    (1)

    $34.99

    $24.99

    $14.99

    (2)
     
    SI Red Ar15 Charging Handle with Extended Latch 1/2" Crush Washer (5.56/223) A2 Flash Hider - 1/2-28 5.56/223 Threads
    SI Red Ar15 Charging Handle with Extended Latch1/2" Crush Washer (5.56/223)A2 Flash Hider - 1/2-28 5.56/223 Threads

    $37.99

    $2.25

    $1.99

    $8.00

    (1)
     
    Black Tanker Style Comp Brake Competiton Muzzle Brake, Black, .223 1/2-28 Threads Claw Flash Hider .223 1/2-28 Threads
    Black Tanker Style Comp BrakeCompetiton Muzzle Brake, Black, .223 1/2-28 ThreadsClaw Flash Hider .223 1/2-28 Threads

    $59.00

    $59.99

    $35.99

    $59.99

    $39.99

     
    .223 3n1 Hybrid Flash / Muzzle Brake / Solvent Trap Adapter Competition Muzzle Brake, Stainless, choose Threads md70 .223 Ar15 Muzzle Brake
    .223 3n1 Hybrid Flash / Muzzle Brake / Solvent Trap Adapter Competition Muzzle Brake, Stainless, choose Threadsmd70 .223 Ar15 Muzzle Brake

    $69.99

    $49.99

    $59.99

    $39.99

    (2)

    $84.99

    $54.99

     
    Ar15 Linear Compensator Ar15 Spartan Flash Hider, .223 1/2-28 threads SI Cookie Cutter Comp - 5.56/223 (1/2-28 Threads)
    Ar15 Linear CompensatorAr15 Spartan Flash Hider, .223 1/2-28 threadsSI Cookie Cutter Comp - 5.56/223 (1/2-28 Threads)

    $49.99

    $39.99

    $39.99

    $59.95

     
    SI Cookie Cutter Comp - .308 (5/8-24 Threads) SI Fat Comp 02 .223 SI Fat Comp 01 .223
    SI Cookie Cutter Comp - .308 (5/8-24 Threads)SI Fat Comp 02 .223SI Fat Comp 01 .223

    $59.95

    $49.95

    $39.95

    $49.95

    $39.95

     
    SI Fat Comp 04 .223 SI Fat Comp 03 .223 SI Checkmate Comp
    SI Fat Comp 04 .223SI Fat Comp 03 .223SI Checkmate Comp

    $49.95

    $39.95

    $49.95

    $39.95

    $49.95

    $39.95

     
    SI Type89 J-Comp v2 2.0 .223/5.56 (1/2-28 threads) Jcomp SI King Comp SI Triple Crown Comp 223 / 5.56 1/2-28 Threads
    SI Type89 J-Comp v2 2.0 .223/5.56 (1/2-28 threads) JcompSI King CompSI Triple Crown Comp 223 / 5.56 1/2-28 Threads

    $44.95

    $39.95

    $49.95

    $44.95

    $49.95

    $47.95

     
    SI Venom Flash Hider - Strike Industries SI Cobra Dummy Suppressor w/ Threaded Muzzle Stainless Tanker Style Comp Brake
    SI Venom Flash Hider - Strike IndustriesSI Cobra Dummy Suppressor w/ Threaded MuzzleStainless Tanker Style Comp Brake

    $49.95

    $44.95

    $49.99

    $59.00

     
    Stainless Twisted Flash Hider 5.56/.223 Stainless Centurion Ar15 Muzzle Brake .223 1/2-28 threads Spiral Flash Hider, .223 1/2-28 Threads
    Stainless Twisted Flash Hider 5.56/.223Stainless Centurion Ar15 Muzzle Brake .223 1/2-28 threadsSpiral Flash Hider, .223 1/2-28 Threads

    $39.99

    (2)

    $37.99

    $39.99

     
    Competition Muzzle Brake, Black, .308 5/8-24 Threads Trident Flash Hider, Ar15 .223 1/2-28 Threads 1/2-28 Ar15 Flash Can, Black
    Competition Muzzle Brake, Black, .308 5/8-24 ThreadsTrident Flash Hider, Ar15 .223 1/2-28 Threads1/2-28 Ar15 Flash Can, Black

    $59.99

    $35.99

    $35.99

    $35.00

     
    241 - 300 of 335 items
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