Mid State Firearms Coupon Codes, Discounts and Deals
(227 deals total)

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22 hours ago
Get your 9mm Ar-15 build, Ar-9, whatever you want to call it, started off right with this shorty pistol ar9 barrel. Threaded 5/8-24. The 5″ barrel will clear most 4″ rails, so this is a great option for running with a suppressor as well. Barrel has an index pin and conical feed ramp.
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2 days ago
Mid State Firearms Ar15 Upper Receiver with lightweight Keymod V15 slim freefloat rail. 16" 416r Stainless m4 Barrel .223 Wylde chamber (shoots both 5.56 and .223) 1:8 Twist 7075-t6 Aluminum mil-spec receiver Dust cover, forward assist 15" slim keymod free float rail a2 flash hider Carbine gas .750 steel gas block Item #: 16upperssv15
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3 days ago
Properly assembled 16″ Ar15 rifle upper for your build. 16″ Ballistic Advantage AR15 Barrel with 15″ 7side MLOK free float rail. Mil Spec reciever with dust cover and forward assists installed, your choice of gas system. Comes standard with A2 muzzle device, but feel free to choose you own! BCG and Charging handle can be added for a complete upper! Assembled, Test-Fired, and QC’d In-House
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4 days ago
300 Blackout Ar-15 Pistol length ‘Grab Bag’ upper. Sometimes we receive some cosmetically blemished parts, or a customer might back out on an order, or we may have leftover gun-show inventory. This is an assembled upper (option to add BCG / Charging Handle) that will come with a free float handguard style of your choice! Picatinny Quad Rail or Slim M-Lok! Lengths and rail type may vary. The receiver itself might be forged or billet, and may or may not have dust cover / forward assist features.
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1 week ago , by Dealer
Turn heads with this awesome oilslick PVD finish on this premium 223 wylde Ar-15 barrel. Features: - Ar15 Barrel - 416r stainless steel - 223 wylde chamber (shoots 556/223) - 1/8 twist - 1/2-28 threads - Mid length gas - twist fluting pattern - 17.1″ length
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1 week ago , by Dealer
Blue PVD receiver set that got scratched during shipping, at a discount. Fetures: - F&D Forged Lower - Forged m4 upper - 12″ M-Lok Rail The upper/lower/and rail are aluminum. Note: Due to being raw prior to coating, the stripped uppers on these have a couple small cosmetic blems underneath the coating. It will not affect function. THIS IS AN FFL ITEM AND MUST SHIP TO YOUR FFL DEALER! SEND FFL COPY TO: [email protected]
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1 week ago , by Dealer
Our premium quality BCG in a new crazy rainbow galaxy cosmic psychedelic purple haze oil slick multi color eye-catching finish!  If you want a unique Ar15 bolt carrier group that will stand out, this one is for you. - 8620 steel m16 auto carrier - 9310 steel bolt - heat treated - MPI Tested - PVD finish (similar to Titanium Nitride) - Grade 8 fasteners - Properly staked gas key - 5.56/223
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1 week ago , by Dealer
Precision machined stripped Ar15 bolt, with DLC Diamond Like Carbon coating. The DLC has good hardness, durability, and low friction. Always a good idea to have a few spare bolts. At this price, it’s a no brainer.
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2 weeks ago
Ar9 Upper assembled and ready to drop on your lower - sport upper receiver (no dc or fa, unless we run out then we can install a mil spec with dc/fa) - 10.5" stainless 9mm barrel - 5/8-24 threads - flash can - Nitride 9mm bcg - Ambi charging handle - c13 13" scoop keymod rail Item #: 9mm10.5fc
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2 weeks ago
This is a slide completion kit for gen3 glock 19. Works with polymer80 / p80 builds also. Includes all the small upper parts for your g19 slide (except sights/barrel)
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2 weeks ago , by Dealer
Item #: A solid Bolt Carrier Group is a key component of your Ar15. Microbest produces top quality mil-spec BCGs for the military and other quality rifle manufacturers. This 5.56 / 223 BCG features a full hard chrome exterior coating and is properly made, ready to run reliably in your rifle. Mil Spec 8620 Carrier, Full Chrome 8620 Quality Steel Full Auto M-16 cut Mil-Spec Bolt , Full Chrome Carpenter 158 Steel (c158) Shot Peened High Pressure Tested (HPT) Magnetic Particle Inspected (MPI) Mil Spec Extractor – Phosphate
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3 weeks ago
AR-15 Upper Receiver Parts Kit – Charging Handle, Forward Assist & Dust Cover - Standard Mil Spec Charging handle - Mil Spec Forward Assist - Mil Spec Dust Cover
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3 weeks ago , by Dealer
Our premium quality BCG in a new crazy rainbow galaxy cosmic psychedelic purple haze oil slick multi color eye-catching finish!  If you want a unique Ar15 bolt carrier group that will stand out, this one is for you. - 8620 steel m16 auto carrier - 9310 steel bolt - heat treated - MPI Tested - PVD finish (similar to Titanium Nitride) - Grade 8 fasteners - Properly staked gas key - 5.56/223
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3 weeks ago
Stripped ar15 upper with the fancy pants oilslick rainbow pvd chameleon finish. Your build will stand out among all others as the most beautiful gun on the range.
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4 weeks ago
This mind-blowingly amazing oilslick rainbow tactical unicorn chameleon snowflake coating is now available on super awesome barrels to match the already super awesome bolt carrier groups. - 223 Wylde Chamber (shoots 5.56 or .223) - 16″ length, Mid Length - 1/2-28 Threads - .750 gas block journal Note: this is for 1 barrel. BCG not included. ADDING BARREL TO MSF UPPER
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1 month ago
416r stainless 223 wylde pistol barrel.  Titanium Nitride PVD gold finish Item #: 7.5 gold barrel
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1 month ago , by Dealer
13.9″ Ar-15 5.56 / .223 Wylde Upper (Legal rifle, 16″+ pinned & welded) 13.9″ 4150 Chrome Moly (CMV) Barrel. (0.2 longer than 13.7″ for more muzzle device options). 1:8 twist. m4 feed ramps. .223 Wylde Chamber (shoots both 5.56 Nato and 223 accurately and reliably). Mid Length gas system .750 Steel Low Profile Gas Block. Dust cover, Forward Assist installed. Muzzle device to bring barrel to legal 16″ when pinned & welded (differs from A2). 12″ Free Float M-Lok Handguard
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1 month ago
This precision Ar15 upper comes assembled and ready to drop on your mil spec lower. 18" 416r Stainless Fluted barrel - HBAR Profile .223 Wylde chamber (shoots both 5.56/.223) 1 in 8 twist. m4 feedramps Mid-Length gas system, .750 gas block 7075-T6 Mil-Spec Aluminum Receiver Dust cover, Forward Assist 12" Free Float Hybrid Slim Keymod Rail M16 Bcg and Charging Handle Available, select from menu Item #: 18spiralhybrid
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1 month ago
Our premium quality BCG in a new crazy rainbow galaxy cosmic psychedelic purple haze oil slick multi color eye-catching finish!  If you want a unique Ar15 bolt carrier group that will stand out, this one is for you. - 8620 steel m16 auto carrier - 9310 steel bolt - heat treated - MPI Tested - PVD finish (similar to Titanium Nitride) - Grade 8 fasteners - Properly staked gas key - 5.56/223
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1 month ago , by Dealer
Pistol Upper assembly for your Ar9 / 9mm Ar15. 5/8-24 Threaded barrel, 4150 CMV Nitride 4″ MLok Handguard, Sport / Slick Side receiver (7075-t6 Aluminum, anodized black)
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1 month ago , by Dealer
Item #: Start your Ar-15 build with a quality assembled upper receiver. Properly built and ready to go on your rifle. Features: 16″ 4150 CMV 223 Wylde barrel (shoots 556/223) 7075-t6 Aluminum forged milspec receiver, anodized black Carbine Gas, .750 steel gas block, a2 flash hider, 1/2-28 threads Dust cover, forward assist 12″ MLOK lightweight free float handguard ASSEMBLED, TEST-FIRED, AND QC’D IN-HOUSE
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1 month ago
Lightning bolt bolt carrier group with lighning bolts engraved on the bolt carrier. Put a pun in your gun. This is a blem nitride/melonite test fired BCG with lightning bolts engraved on it. Nothing to see here.  Item #: lightning bolt
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1 month ago , by Dealer
Item #: Glock 43 oilslick rainbow chameleon pvd. window cuts. Made in USA Note: If you use a sight pusher tool to install sights, use one that supports the entire side of the slide. Don’t use a mgw sight pusher that only grabs a tiny sliver of rail, that could damage your slide.
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1 month ago
Properly assembled ar15 upper.   - 4150 cmv barrel, 1/2-28 threads, 5.56/223 (Nato or wylde chamber depending on availability) - a2 flash hider - .750 steel low profile gas block - stainless carbine gas tube - 10" v10 mlok handguard - 7075-t6 aluminum mil spec receiver - dust cover - fwd assist You can add bcg/charging handle in the drop down menus.   Item #: 10.5-556-v10mlok
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1 month ago , by Dealer
Enhance the reliability of your bcg. Standard ar-15 / m4 / m16gas key with optimized carrier key screws from Michiguns. These specialized fasteners have extra grooves on the exterior, allowing for a better hold once the key is properly staked. Don’t want those jokers wobbling loose all Willy nilly after a bunch of rounds!
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1 month ago
This premium upper has all the bells & whistles you could ask for. - 416r Stainless Fluted Barrel - .223 Wylde Chamber (shoots 5.56 or .223) - 1 in 8 Twist - 1/2-28 threads - Mid-Length gas, .750 low profile steel gas block. - Competition Muzzle Brake - 15" M-Lok Free Float Handguard - Non-Reciprocating Side Charging Billet Upper Receiver - Titanium Nitride or Nickel Boron BCG (you choose) As with all of our complete uppers, this comes test-fired with head space checked.  Item #: 223wside-18
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2 months ago
Ar15 Competition muzzle brake, titanium nitride finish, 1/2-28 threads  Item #: Tin muzzle brake
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2 months ago
Aftermarket Glock 19 g19 slide with RMR cut. Oilslick rainbow chameleon PVD coating. blem Note: If you use a sight pusher tool to install sights, use one that supports the entire side of the slide. Don’t use a mgw sight pusher that only grabs a tiny sliver of rail, that could damage your slide.
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2 months ago , by Dealer
Ar15 Charging handle with oversized tactical exteneded latch. The extended latch is great, especially if you're using a scope that makes a standard latch hard to grab.   Red Bead Blasted Anodized Aluminum. Designed to fit and work as a drop-in replacement for the standard charging handle on any mil-spec ar15. 
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2 months ago , by Dealer
Item #: Get your 9mm Ar-15 build, Ar-9, whatever you want to call it, started off right with this shorty pistol ar9 barrel. Threaded 5/8-24. Most factory 9mm ammo will stay subsonic with just a 3″ barrel, so this is a great option for running with a suppressor as well. Barrel has an index pin and conical feed ramp. 5" barrels also available on the website
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3 months ago , by Dealer
Turn heads with this awesome oilslick PVD finish on this premium 223 wylde Ar-15 barrel. Features: - Ar15 Barrel - 416r stainless steel - 223 wylde chamber (shoots 556/223) - 1/8 twist - 1/2-28 threads - Mid length gas - twist fluting pattern - 17.1" length Item #: 17twistrainbowbarrel
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3 months ago
Mid State Firearms Black Friday 2023 Sale 10% Off Sitewide Use Code "BF10"
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3 months ago , by Dealer
Complete Assembled 9mmslide minus sights, Charcoal finish. This gen3 compatible slide for Glock 19 / g19 has the Trijicon RMR patter optic cut, as well as some window ports and textured serrations. Includes slide, barrel, and internal slide parts kit. May have a cosmetic blemish that does not affect function.
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3 months ago , by Dealer
Item #: Great accurate bull barrel for your Ar-15. Oilslick / Chameleon / Rainbow PVD finish 416r Stainless Steel Premium Barrel 223 Wylde chamber ( shoots 556 or 223) Spiral Flutes Target Crown Rifle length Gas m4 Feed Ramps 1:8 Twist .936 Gas Block Diameter Start your long range / varmint build with this premium 223 wylde rifle barrel. Made in the USA! Check out Mid State Firearms for more Ar15 and other parts deals!
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3 months ago , by Dealer
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols. Glock 17 gen3 Slide with RMR cut. Front and rear serrations. Includes g17 threaded barrel and slide parts kit.  No sights included.   Made in USA  Note: If you use a sight pusher tool to install sights, use one that supports the entire side of the slide. Don't use a mgw sight pusher that only grabs a tiny sliver of rail, that could damage your slide.   Item #: g17 upper with barrel and spk
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3 months ago
 Ar15 upper. Assembled and ready to drop on your Ar15 lower and go. - 7.5" 4150 Chrome moly barrel - 5.56/223 Chamber - 1/7 Twist - 1/2-28 threads - a2 flash hider - .750 gas block - Pistol gas  - 7" mlok free float rail - 7075-t6 Mil spec aluminum receiver - Dust cover, forward assist - Rail along top for optics mounting Note: blem items may have small cosmetic defects such as scratches or scuffs that will not hinder performance  
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3 months ago
Everything you need to finish your stripped lower out.  Professionally assembled upper ready to go, head space checked, test fired.  This one comes with a light mlok rail, and LPK and stock kit.  The .223 wylde chamber can shoot both 5.56 nato and 223rem ammo safely.  Features: - 16" 4150 cmv barrel, 1:7 twist, black nitride finish - .223 wylde chamber (shoots 5.56 or .223) - .750 low pro steel gas block, stainless tube, carbine gas - 15" slim light MLok handguard - 7075-t6 mil spec aluminum upper receiver, anodized black - dust cover, forward assist - Standard Lower parts kit
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3 months ago
This is an oilslick castle nut for your ar15. It hold your buffer tube and end plate in place to the lower receiver. The oilslick rainbow finish looks amazing. oilslick castle nut
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3 months ago , by Dealer
Shorty pistol barrels, most factory 9mm ammo stays subsonic with a 3" barrel
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3 months ago
Our premium quality BCG in a new crazy rainbow galaxy cosmic psychedelic purple haze oil slick multi color eye-catching finish!  If you want a unique Ar15 bolt carrier group that will stand out, this one is for you. - 8620 steel m16 auto carrier - 9310 steel bolt - heat treated - MPI Tested - PVD finish (similar to Titanium Nitride) - Grade 8 fasteners - Properly staked gas key - 5.56/223
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3 months ago , by Dealer
Item #: Complete your Ar-308 build with this assembled Ar10 Upper receiver from Mid State Firearms. Features: 16″ 4150 CMV Barrel 308 / 7.62×51 5/8-24 threads DPMS compatible LR308 upper Low profile gas block, stainless gas tube Dust cover, forward assist Optional BCG and Charging Handle
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4 months ago
The Trijicon REAP-IR® 35 mm for sale is a small, light, powerful thermal rifle scope that lets you engage targets in any light. This compact tactical rifle scope is trusted by the most demanding shooters and hunters who require speed and accuracy for nighttime use. Choose from multiple magnification levels and field of view to fit your specific needs. The REAP-IR optimizes the S.W.A.P. mindset (Size, Weight and Power) with its small packaging combined with lightweight, rugged features.
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4 months ago
Item #: 300blk16 300 Blackout, 4150 cmv 16″ Length 1:8 Twist 5/8-24 Threads .750 Gas Block Diameter Pistol Gas Enlarged gas port for reliable cycling
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4 months ago
Item #: This build kit includes everything you need to complete your stripped lower into a functioning firearm. The upper will be fully assembled and test fired. The lower components can easily be assembled into your receiver. Use the takedown pins to attach the two components, and you are good to go! Be sure to scroll through the options and select parts to best fit your needs and make your weapon unique. ASSEMBLED, TEST-FIRED AND QC’D IN-HOUSE
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4 months ago
Item #: g43 elite black g43 cnc custom aftermarket slide with window ports , black. Upgrade your glock 43 with this unique and functional slide. Note: If you use a sight pusher tool to install sights, use one that supports the entire side of the slide. Don’t use a mgw sight pusher that only grabs a tiny sliver of rail, that could damage your slide.
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4 months ago , by Dealer
Item #: Features: 223 Wylde Chamber (shoots 5.56 nato or 223) What is 223 Wylde? 416 series Stainless Steel, corrosion resistant and Nitride treated for hardness Diamond fluting pattern Dimpled for gas block set screw Mid-length gas for a softer cycling experience. 1/2-28 threads for your choice of muzzle device .750 gas block journal, fits many blocks on the market. ASSEMBLED, TEST-FIRED AND QC’D IN-HOUSE
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4 months ago
Item #: g19 elite black glock g19 gen3 elite slide, glock 19 RMR slide and extra milling / cutouts. black cerakote. works with p80 frames also. stainless. Note: If you use a sight pusher tool to install sights, use one that supports the entire side of the slide. Don’t… glock g19 gen3 elite slide, glock 19 RMR slide and extra milling / cutouts. works with p80 frames also. stainless.
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5 months ago , by Dealer
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols. Item #: Gen5 windowed slides with rmr cut, Glock compatible at Mid State Firearms
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5 months ago
Solid fixed A2 stock rifle kit for your rifle build. Snag free design to prevent any tangles with gear Rear trap door for storage Single Sling Point Rubber textured butt-pad Mil-Spec A2 Buffer Extension Tube Mil-Spec Recoil Spring Buffer Assembly Stock Spacer & Screw
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5 months ago , by Dealer
Item #: Pick up a rmr slide from Mid State Firearms. Glock 26 gen3 Slide with RMR cut. Front and rear serrations. Made in USA. Note: If you use a sight pusher tool to install sights, use one that supports the entire side of the slide. Don’t use a mgw sight pusher that only grabs a tiny sliver of rail, that could damage your slide.
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5 months ago , by Dealer
Item #: Mil Spec aluminum 6 position buffer tube in the amazing multi colored oilslick neochrome finish.
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6 months ago , by Dealer
M16 bolt carrier group is the perfect BCG for your next build and is compatible with any AR15 build. The PVD coating by Ionbond provides a very low coefficient of friction while providing a unique look and increased reliability. Properly built, no corners cut. Colors vary, from silvery/gold/rainbow/blue/ish - M16 Style Carrier - Machined from 8620 Steel - Heat Treated - Final Grind Before Plating - PVD Coating by Ionbond - 5.56/.223 Bolt - Machined from 9310 Steel - Heat Treated - Shot Peened - MPI - Blacknitride+™ by H&M - Billet Gas Key
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6 months ago
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols. Item #: Black g19 RMR slide frs Glock 19 gen3 Slide with RMR cut. Front and rear serrations. Made in USA Note: If you use a sight pusher tool to install sights, use one that supports the entire side of the slide. Don’t use a mgw sight pusher that only grabs a tiny sliver of rail, that could damage your slide.
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7 months ago , by Dealer
Start your Ar15 build with this assembled upper, 16" 4150 Black fluted barrel, spiral or straight flutes. 1:8 Twist. Carbine gas system with 12" M-Lok rail.  Shoots .223 and 5.56 ammo.  Choose your muzzle device and complete it with a BCG and charging handle if desired!
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8 months ago
blem stripped oilslick upper, pvd finish mil spec 7075 t6 aluminum, m4 feed ramps Item #: blem oilslick upper
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9 months ago , by Dealer
Item #: note: these may have light blemishes Blue bolt carrier groups with stars lasered on them. Grab one of these star spangled bcgs today! Our solid, reliable m16 bolt carrier group with an enhanced low friction high durability coating. This is just what you need to make your ar15 build your own. Awesome blue color that changes depending on oilyness & lighting. varies from dark/light blue to purply. BCG Features: 8620 m16 Carrier c158 bolt, MPI/HPT Tested, Shot Peened, Nitrided staked gas key, grade 8+ fasteners, enhanced extractor spring with oring
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9 months ago , by Dealer
M16 bolt carrier group is the perfect BCG for your next build and is compatible with any AR15 build. The PVD coating by Ionbond provides a very low coefficient of friction while providing a unique look and increased reliability. Properly built, no corners cut. Colors vary, from silvery/gold/rainbow/blue/ish - M16 Style Carrier - Machined from 8620 Steel - Heat Treated - Final Grind Before Plating - PVD Coating by Ionbond - 5.56/.223 Bolt - Machined from 9310 Steel - Heat Treated - Shot Peened - MPI - Blacknitride+™ by H&M - Billet Gas Key
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9 months ago , by Dealer
Complete Nickel Boron Full Auto Bolt Carrier Group. 5.56/223 & 300 Blackout BCG. The nickel boron coating is excellent, extremely low friction and easy to clean.   - M16 Carrier-8620 - Bolt-9310 - MPI Tested  - Upgraded Extractor Spring with o-ring - Properly staked gas key Made in the USA by a quality manufacturer. Item #: lefty nickel bcg
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