AR-15 Upper Parts

Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group Phosphate/Chrome-Lined The Dirty Bird AR-15 Bolt Carrier Group comes fully assembled and ready to be dropped in. The carrier body is machined from 8620 steel, heat treated, & MP inspected...

Faxon 16" Gunner Profile AR15 Barrel, 556 NATO, Pinned Gas Block If you're looking for a more robust mounting method for your gas block... look no further. Pinning your gas block, in addition to the use of set screws, gives the user the extra piece of...

Faxon 8.5" 9MM Light Tapered Sammi Barrel Faxon Firearms barrels are the pinnacle of value. Manufactured 100% in-house from cradle-to-grave, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior...

Faxon Firearms 12.5" GUNNER 5.56 NATO Mid-Length 4150 Nitride / Melonite Barrel Lightweight, Durable, and Balanced Barrel for Optimal Performance The Faxon Firearms 12.5" GUNNER 5.56 NATO Mid-Length Barrel combines the proven durability of the Gov't...

Faxon Firearms AR-10 3 Screw .875 Low Profile Gas Block The Faxon Gas Block, AR-10 Height, 3 Screw, QPQ, .875 is a top-quality gas block designed for use with AR-10 rifles. Made from high-quality steel and finished with a QPQ coating, this gas block is...

Faxon Firearms RemAge Remington 700 8.6 BLK 16" Modified Light Palma Profile Barrel Faxon Firearms is proud to partner with Q on the development of barrels for their revolutionary new round, 8.6 Blackout (8.6 BLK).With barrels employing an impressive 1:3...

Forward Controls Design EPC AR-15 Billet Dust Cover We had resisted making a Forward Controls version of ejection port cover, mainly because we were preoccupied with other projects, but when we had a moment to list the things we wanted on an FCD version,...

Forward Controls Design LDFA (Low Drag Forward Assist) Ambidextrous charging handles for the AR platform have exploded in popularity and with good reason. Regardless of your dominant hand, being able to handily manipulate your rifle's action in any...

Free Float M-LOK ASAL Handguard - 15" Precision Performance, Minimal Weight Upgrade your AR-15 with the 15" Free Float M-LOK ASAL Handguard, engineered for lightweight strength and advanced functionality. Crafted from rugged 6061 aluminum and finished in...

Free Float M-LOK Elite-Series QD Handguard Elite performance with QD versatility. The Elite-Series Free Float M-LOK QD Handguard is built for shooters who value strength, modularity, and sling flexibility. Constructed from 6061-T6 aluminum and finished...

Geissele Automatics CHF 5.56 - 14.5" Chrome Lined Barrel Geissele barrels are precision machined and cold hammer forged utilizing the highest quality materials at our state of the art facility in North Wales, PA to ensure the highest quality and...

Magpul Industries, Barricade Stop, Hand Stop, Black, Fits M-LOK, Polymer, Removable Steel Plate Insert The Magpul Barricade Stop is a rugged hand stop that allows the shooter to support their firearm off barricades or field expedient shooting rests to...

Odin Works M-LOK Rune Forend Lightweight, Modular Free-Float Rail System for Customizable AR-15 Builds The ODIN Works M-LOK Rune Forend is the latest innovation in modular, free-float rail systems for the AR-15 platform. Designed with a sleek and simple...

ODIN Works QD Flash Hider Suppressor Mount Introducing The OSM-FH-5 for 5.56! Two functions in one easy-to-use product! Cleverly created and aesthetically superior, the OSM Flash Hider & Suppressor Mount makes installing a suppressor fast and easy...

Radian Raptor-SD Ambidextrous Charging Handle Suppressor-Optimized, Ported Design for Superior Gas Redirection The Radian Raptor-SD Ambidextrous Charging Handle is engineered specifically for suppressor use, featuring a unique ported shaft that redirects...

Riflespeed AR-15 Straight Gas Tube A high-quality gas tube is a must to keep your rifle running perfectly. Choose a RIFLESPEED premium-quality straight gas tube for use with the innovative line of Riflespeed Gas Controls on the AR15 or AR10 rifle...

Rise Armament RA-703 .223/5.56 Veil Flash Hider - Black Nitride RA-703 .223 Veil Flash Hider 4 Prong Minimizes muzzle flash to counteract the flash's negative effects on the shooter's night vision Proprietary design virtually eliminates the annoying...

Rosco Manufacturing Bloodline 16" Midlength 5.56 Sauce Pack Getting the perfect components to finish your build can sometimes be a pain, especially if you find yourself with parts that you thought should work together that somehow don't when you...

Stag Arms A3 Flattop Left-Handed Upper Receiver Assembly The Stag Arms A3 upper receiver assembly is our very first Left-Handed upper receiver, available on ar15discounts.com. It is made to mil-spec standards and includes a picatinny rail...

Strike Industries Venom .308/7.62 Flash Hider Own one of the world's most effective flash hiders! The Strike Industries VENOM FH nearly eliminates 100% of your muzzle flash and quickly disperses the burning gases exploding from the barrel. This...

VG6 Precision Epsilon 556 The VG6 EPSILON 556 is the pinnacle of AR15 muzzle devices. The EPSILON challenges the status quo and offers performance beyond that of a traditional muzzle brake. Designed for the avid shooter and professional end-users, VG6...

VLTOR MUR Pistol Caliber Upper Receiver With Gas Deflector The Vltor Pistol Caliber Carbine Modular Upper Receiver (MUR) is a unique AR-15 Flat-Top upper receiver that undergoes a rigorous quality control procedure during manufacture to ensure a...

16" 5.56 NATO 1:9 Twist Phosphate Carbine M4 Barrel Precision without the premium price—crafted to exceed expectations. The BRD 16" 5.56 NATO 1:9 Twist Phosphate Carbine M4 Barrel offers exceptional performance at an unbeatable price. Proudly made...

9mm Bolt Carrier Group - Black Nitride Building a 9mm rifle? This 9mm Bolt Carrier Group (BCG) ensures smooth cycling and reliable performance. Machined from 8620 steel and finished with a durable QPQ Black Nitride coating, it offers longevity and...

Aero Precision AR-15 Breach Ambi Charging Handle w/ Small Lever - Black/Kodiak Brown The Aero Precision BREACH® is a rugged, ambidextrous, precision-manufactured charging handle for the AR15 platform. The BREACH's design utilizes a reinforced...

Aero Precision M4E1 Threaded Assembled Upper Receiver - Sniper Grey Cerakote The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same...

Ballistic Advantage 12.5" 6.5 Grendel BA Hanson Carbine Length AR-15 Barrel - Premium Series This 6.5 Grendel "Type 2" chambered 12.5" inch barrel is machined from 416R Stainless Steel with a bead blasted finish. Our Premium Series Barrels feature a...

Ballistic Advantage 13.9" 5.56 NATO Government Barrel Upgrade your firearm's performance with the Ballistic Advantage 13.9" 5.56 NATO Government Barrel. Precision-engineered from 4150 Chrome Moly Vanadium steel, this mid-length modern series barrel is...

Ballistic Advantage 16" 5.56 NATO 1:7 Mid-length Pencil Profile Modern Series AR-15 Barrel At only 23oz, this Ballistic Advantage 16" Modern Series barrel is a great option for your next light-weight build. A mid-length, pencil profile barrel, chambered...

Ballistic Advantage 20" .223 Wylde Barrel This Ballistic Advantage .223 Wylde chambered 20-inch AR 15 barrel is machined from 416 Stainless Steel with a QPQ finish. Our Premium Black Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp...

BCMGUNFIGHTER 5.56 COMPENSATOR MOD 0 Designed to have much less side blast and noise associated with typical compensators. Makes it perfect for working in teams for CQB. It is a compensator that is built for the 21st Century...

BCMGUNFIGHTER Assembled AR 15 Upper Receiver Bravo Company's BCMGUNFIGHTER Assembled AR 15 Upper receiver has one of the tightest tolerances of any forged AR 15 Upper receiver. The BCMGUNFIGHTER Assembled Upper Receiver is machined from 7075-T6 aluminium...

Bootleg 5.56 Phosphate Complete Bolt Assembly Whether you're looking to complete your Bootleg, Inc. AR 15 Carrier or you like to keep extra parts on hand, this carrier completion kit has what you need. Complete your carrier with quality...

Bootleg Inc AR-15 .750 Low Profile Gas Block - Black Nitride Fine tune your AR’s gas system with a Bootleg, Inc. Low Profile Gas Block! Regulate your AR’s gas from the initial combustion back to the bolt carrier group, helping your rifle...

Centurion Arms C4 M-LOK Handguard - 12"/Front Sight Cutout Centurion Arms LLC is happy to announce the C4 M-LOK rail.C4 MLOK 12in FSP (For Carbine Gas FSB's) The MLOK C4 rail system is based off the patented quad rail version. It is a lightweight,...

Cross Machine Tool Ultra Precision Stripped AR-15 Billet Upper Receiver Cross Machine Tool Co., utilizing the latest machining technologies, offers high quality products that you’ll be excited to own.The Ultra Precision Upper Receiver is a high...

Dirty Bird AR-15 ASAL Free Float Quad Rail The Dirty Bird Free Float Quad Rail is a no-nonsense American Made rail system designed for versatility and simplicity. It features a monolithic top rail and is precision machined from 6061-T6 aluminum...

Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56 The Dirty Bird Enhanced Bolt Carrier Group for .223/5.56 features a unique carrier design with practical improvements in two key areas:  Strategically relocated load bearing...

Faxon .450/.458 MuzzLok 3-Port Muzzle Brake, Steel, QPQ Nitride The Faxon Gunner 3-Port Muzzle Brake is the ideal blend of usability, versatility, and recoil reduction. The 3 ports work to sequentially capture the propellant gasses and redirect them to...

Faxon Firearms 16" Gunner 5.56 NATO Barrel w/ Integral Slim 3 Port Brake Faxon's Integral Rifle Barrels are the perfect choice for any shooter who is looking for the maneuverability of a shorter overall length, but want the compatibility and versatility...