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 260 items
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    16" 7.62x39 Ar15 1:10 Barrel, Carbine 18" 1:8 416r Stainless Fluted .223 Wylde Barrel 18" Socom 5.56 / .223 Wylde Midlength Midweight Ar15 Barrel
    16" 7.62x39 Ar15 1:10 Barrel, Carbine18" 1:8 416r Stainless Fluted .223 Wylde Barrel18" Socom 5.56 / .223 Wylde Midlength Midweight Ar15 Barrel

    $189.99

    $79.00

    (1)

    $249.99

    $139.99

    $199.00

    $109.00

     
    20" Stainless Fluted .223 Wylde 1:8 Ar15 Barrel 20" Stainless Spiral Fluted .223 Wylde 1:8 Ar15 Barrel 24" 5.56 / .223 Wylde Stainless Fluted 1:8 .875 Heavy Barrel
    20" Stainless Fluted .223 Wylde 1:8 Ar15 Barrel20" Stainless Spiral Fluted .223 Wylde 1:8 Ar15 Barrel24" 5.56 / .223 Wylde Stainless Fluted 1:8 .875 Heavy Barrel

    $249.99

    $159.99

    $269.99

    $179.99

    (1)

    $299.00

    $179.00

     
    6.5 Grendel Type II Stainless Ar15 Barrels - 18, 20, 24 inch 6.5 Creedmoor 24" 416r Stainless Fluted Barrel Lr308 / Ar10 Ar15 Gas Tubes - Pistol, Carbine, Mid-Length, Rifle
    6.5 Grendel Type II Stainless Ar15 Barrels - 18, 20, 24 inch6.5 Creedmoor 24" 416r Stainless Fluted Barrel Lr308 / Ar10Ar15 Gas Tubes - Pistol, Carbine, Mid-Length, Rifle

    $249.00

    $169.00

    $249.00

    $13.00

    $9.99

    (3)
     
    Ar15 Stripped Upper With Dust Cover and Forward Assist Installed Mil Spec Ar15 Stripped Upper Receiver - a3/a4 Flat Top Stripped Lightweight Ar15 Sport Upper - No dc/fa
    Ar15 Stripped Upper With Dust Cover and Forward Assist InstalledMil Spec Ar15 Stripped Upper Receiver - a3/a4 Flat TopStripped Lightweight Ar15 Sport Upper - No dc/fa

    $129.99

    $79.99

    (3)

    $79.99

    $49.99

    (1)

    $59.99

    $54.99

    (1)
     
    Charging Handle - Spec Ops Oversized Extended Latch - Black Ar15 Standard Charging Handle SI Red Ar15 Charging Handle with Extended Latch
    Charging Handle - Spec Ops Oversized Extended Latch - BlackAr15 Standard Charging HandleSI Red Ar15 Charging Handle with Extended Latch

    $34.99

    $24.99

    $14.99

    (2)

    $37.99

     
    1/2" Crush Washer (5.56/223) A2 Flash Hider - 1/2-28 5.56/223 Threads Black Tanker Style Comp Brake
    1/2" Crush Washer (5.56/223)A2 Flash Hider - 1/2-28 5.56/223 ThreadsBlack Tanker Style Comp Brake

    $2.25

    $1.99

    $8.00

    (1)

    $59.00

     
    Competiton Muzzle Brake, Black, .223 1/2-28 Threads Claw Flash Hider .223 1/2-28 Threads .223 3n1 Hybrid Flash / Muzzle Brake / Solvent Trap Adapter
    Competiton Muzzle Brake, Black, .223 1/2-28 ThreadsClaw Flash Hider .223 1/2-28 Threads.223 3n1 Hybrid Flash / Muzzle Brake / Solvent Trap Adapter

    $59.99

    $35.99

    $59.99

    $39.99

    $69.99

    $49.99

     
    Competition Muzzle Brake, Stainless, choose Threads md70 .223 Ar15 Muzzle Brake Ar15 Linear Compensator
    Competition Muzzle Brake, Stainless, choose Threadsmd70 .223 Ar15 Muzzle BrakeAr15 Linear Compensator

    $59.99

    $39.99

    (2)

    $84.99

    $54.99

    $49.99

    $39.99

     
    Ar15 Spartan Flash Hider, .223 1/2-28 threads SI Cookie Cutter Comp - 5.56/223 (1/2-28 Threads) SI Cookie Cutter Comp - .308 (5/8-24 Threads)
    Ar15 Spartan Flash Hider, .223 1/2-28 threadsSI Cookie Cutter Comp - 5.56/223 (1/2-28 Threads)SI Cookie Cutter Comp - .308 (5/8-24 Threads)

    $39.99

    $59.95

    $59.95

     
    SI Fat Comp 02 .223 SI Fat Comp 01 .223 SI Fat Comp 04 .223
    SI Fat Comp 02 .223SI Fat Comp 01 .223SI Fat Comp 04 .223

    $49.95

    $39.95

    $49.95

    $39.95

    $49.95

    $39.95

     
    SI Fat Comp 03 .223 SI Checkmate Comp SI Type89 J-Comp v2 2.0 .223/5.56 (1/2-28 threads) Jcomp
    SI Fat Comp 03 .223SI Checkmate CompSI Type89 J-Comp v2 2.0 .223/5.56 (1/2-28 threads) Jcomp

    $49.95

    $39.95

    $49.95

    $39.95

    $44.95

    $39.95

     
    SI King Comp SI Triple Crown Comp 223 / 5.56 1/2-28 Threads SI Venom Flash Hider - Strike Industries
    SI King CompSI Triple Crown Comp 223 / 5.56 1/2-28 ThreadsSI Venom Flash Hider - Strike Industries

    $49.95

    $44.95

    $49.95

    $47.95

    $49.95

    $44.95

     
    SI Cobra Dummy Suppressor w/ Threaded Muzzle Stainless Tanker Style Comp Brake Stainless Twisted Flash Hider 5.56/.223
    SI Cobra Dummy Suppressor w/ Threaded MuzzleStainless Tanker Style Comp BrakeStainless Twisted Flash Hider 5.56/.223

    $49.99

    $59.00

    $39.99

    (2)
     
    Stainless Centurion Ar15 Muzzle Brake .223 1/2-28 threads Spiral Flash Hider, .223 1/2-28 Threads Competition Muzzle Brake, Black, .308 5/8-24 Threads
    Stainless Centurion Ar15 Muzzle Brake .223 1/2-28 threadsSpiral Flash Hider, .223 1/2-28 ThreadsCompetition Muzzle Brake, Black, .308 5/8-24 Threads

    $37.99

    $39.99

    $59.99

    $35.99

     
    Trident Flash Hider, Ar15 .223 1/2-28 Threads 1/2-28 Ar15 Flash Can, Black 5/8-24 Flash Can, Black Ar15 / Ar10
    Trident Flash Hider, Ar15 .223 1/2-28 Threads1/2-28 Ar15 Flash Can, Black5/8-24 Flash Can, Black Ar15 / Ar10

    $35.99

    $35.00

    $35.00

     
    Spectre Flash Hider .223 16" Mid-Length 5.56 NATO 1:7 4150 Ar15 Barrel 9mm Nitride Bolt Carrier Group and Stripped Upper Combo
    Spectre Flash Hider .22316" Mid-Length 5.56 NATO 1:7 4150 Ar15 Barrel9mm Nitride Bolt Carrier Group and Stripped Upper Combo

    $29.99

    $20.99

    (1)

    $149.00

    $79.00

    $209.99

    $189.99

    (1)
     
    Nickel Boron EXO M16 / Ar15 Full Auto Bolt Carrier Group 7.62x39 M16 / Ar15 Bolt Carrier Group Melonite / Black Nitride M16 / Ar15 Full Auto Bolt Carrier Group
    Nickel Boron EXO M16 / Ar15 Full Auto Bolt Carrier Group7.62x39 M16 / Ar15 Bolt Carrier GroupMelonite / Black Nitride M16 / Ar15 Full Auto Bolt Carrier Group

    $219.00

    $179.00

    $189.00

    $99.00

    $189.00

    $99.00

    (3)
     
    Ar15 / M16 Firing Pin .750 Steel Low Profile Nitride Ar15 Gas Block - Super Nice! .875 Steel Low Profile Gas Block
    Ar15 / M16 Firing Pin.750 Steel Low Profile Nitride Ar15 Gas Block - Super Nice!.875 Steel Low Profile Gas Block

    $6.95

    $22.00

    $14.99

    (2)

    $45.00

    $29.99

    (1)
     
    Gas Block / Gas Tube Assembly with Gas Block and Gas Tube Rogers Super-Stoc - Mil Spec Adjustable Rifle Stock Slim Stock with Mil Spec 6-position Buffer Tube Kit
    Gas Block / Gas Tube Assembly with Gas Block and Gas TubeRogers Super-Stoc - Mil Spec Adjustable Rifle StockSlim Stock with Mil Spec 6-position Buffer Tube Kit

    $25.99

    (1)

    $78.95

    $63.99

    $49.99

     
    Pistol Buffer Tube Kit Ar-15 Ambi Double Sling Plate Adapter Ar15 Upper/lower Accuracy anti-wobble wedge
    Pistol Buffer Tube KitAr-15 Ambi Double Sling Plate AdapterAr15 Upper/lower Accuracy anti-wobble wedge

    $49.99

    $39.99

    (4)

    $7.99

    $4.99

     
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