2218 results for 'upper build kits'

ODIN Works Low Profile Gas Block One of the most important components for a custom AR build is the gas block you use on the system, the gas system length, and the fitment of the gas block. When you...

10.5" Combat Grade V2 5.56 Carbine Barrel High-Performance Barrel for Tough Conditions The Sons Of Liberty Gun Works Combat Grade V2 10.5" 5.56 Carbine Barrel is engineered to elevate the performance...

Aero Precision M5 15" Enhanced Quad Rail Handguard Gen 2 - Anodized Black Our Gen 2 Enhanced Quad Rail (EQ) Handguards provide a lightweight free float design for your custom M5 .308 build. Changes...

Midwest Industries SP Series 7.25" M-Lok Handguard Rugged, Free Float M-LOK Handguard with Enhanced Compatibility The Midwest Industries SP Series 7.25" M-LOK Handguard offers a durable, one-piece...

Centurion Arms C4 M-LOK Handguard - 12" Centurion Arms LLC is happy to announce the C4 MLOK® rail.The MLOK C4 rail system is based off the patented quad rail version. It is a lightweight, rugged,...

Centurion Arms C4 Quad Rail Handguard - Carbine Cutout The Centurion patent pending C4 rail system is a lightweight, rugged, 2 piece free float rail that when installed gives the uppers a continuous...

Armalite AR-10 M10 TAC M-LOK Free-Float Handguard Maximum Customization for Your AR-10 Platform The Armalite AR-10 M10 TAC M-LOK Free-Float Handguard offers unmatched versatility and customization...

16" 9mm 1:10 Twist Phosphate Heavy Barrel Pistol-Caliber Precision, AR-15 Ruggedness – Built for High-Volume 9mm Firepower. The 16" 9mm 1:10 Twist Phosphate Heavy Barrel from Black Rifle Depot...

ODIN Works 9mm Black Nitride Bolt Carrier Group The ODIN Works 9mm Bolt Carrier Group is your go-to for a reliable and versatile AR-9 blowback build. Skillfully machined from heat-treated 8620...

ODIN Works Adjustable Buffer Lite The ODIN Works Adjustable Buffer lite is a perfect way to give your next build as much customization as possible to fit the shooter. It comes with different size...

Hoppe's M-Pro 7 Gun Cleaner Spray Bottle - 4oz Vital to maintaining weapon reliability and performance by removing layers of  fouling, embedded carbon, and conditioning the bore to help prevent...

Rise Armament RA-212 Extended-Latch Charging Handle - FDE Rise Armament's Extended Charging Handle features an extended latch for easier and faster charging for your AR15. Fits all mil-spec AR-15...

Presma AR-15 Aluminum Flip-Up Sight Set AR Flip-up Backup Sights SET w/ High Profile Front, Aluminum Aluminum alloy, 6061-T6 - High quality aluminum - Includes front and rear sights - Front sight is...

Criterion Barrels 10.5" .223 Wylde Ultralight Phosphate/Chrome-Lined Carbine Length Barrel Maximum Mobility and Lightweight Durability for Tactical and Compact AR Builds. The Criterion Barrels 10.5" ...

Extended Takedown Pins The Extended Takedown / Pivot Pin Set features an extended head making this an ideal addition for anyone who needs to be able to quickly separate the upper and lower receiver...

Aero Precision AR15 12.7" Enhanced M-LOK Handguard, Gen 2 - FDE Cerakote (w/ BAR Barrel Nut) Lightweight, Durable, and Versatile Handguard for Custom AR-15 Builds. The Aero Precision AR15 12.7"...

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...

ODIN Works Adjustable Buffer Heavy The ODIN Works Adjustable Buffer lite is a perfect way to give your next build as much customization as possible to fit the shooter. It comes with different size...

16" 5.56 NATO 1:8 Twist Phosphate Carbine Government Barrel MOA Accuracy. American-Made. Built to Perform Without Breaking the Bank. The 16" 5.56 NATO 1:8 Twist Phosphate Carbine Government Barrel is...

ODIN Works Adjustable Buffer - 9mm ODIN Works is always looking for new ways to make your build as customizable as possible to fit you, the shooter. This adjustable buffer does just that. Available...

SOLGW 16" 6MM MAX SPR Barrel - 416SS, P3 Rifling, Black Finish Precision Accuracy in a Mid-Length Design The Sons Of Liberty Gun Works 16" 6MM MAX SPR Barrel is engineered to deliver exceptional...

Yankee Hill Machine EZ PULL™ Takedown Pin Set The Yankee Hill Machine takedown pins have over sized heads to make separating the upper and lower receiver faster and easier. Perfect...

Breek Arms RG2-S M-LOK AR-15 Handguard - 4.25" Breek Arms' mission is to provide quality parts at competitive prices. Their newly developed RG2-S (Rugged Rail Mod2) Handguard line up is an evolution...

AR-15 .223/5.56 Bolt Carrier Group - FDE PVD The M16 bolt carrier group is the perfect BCG for your next build and is compatible with any AR15 build. The "Armor Guard" PVD coating on these BCGs...

Ergo Modular M-LOK Rail System 1pc Comes standard with a 3-pack of M-LOK or KeyMod Rail covers in black and an 18 slot ladder in black for the Picatinny Rail. 6061 T6 Construction, Type III Black...

Anarchy Outdoors Titanium AR-15 Enhanced Firing Pin The Anarchy Outdoors AR-15 grade 5 Titanium Enhanced Firing Pin is a must-have for any 7.62x39 build. One of the selling points of this firing pin...

Ballistic Advantage Modern Series 5.56 Barrel Gov. Carbine - 11.5" Chambered in 5.56 NATO, this Ballistic Advantage 11.5” barrel is a great option for building a short barrel rifle or even a...

Classic Military Trigger Reliability with a Smooth Pull & Clean Break A well-made AR-15 trigger assembly for use in custom builds and refurbishing older AR-15/M4 type rifles. These are...

Odin Works Vise Block - Gen 2 Green The Odin Works Vise Block Gen 2 green is a versatile, high-quality firearm accessory designed to provide optimal support and stability during gunsmithing and...

Centurion Arms C4 M-LOK Handguard - Carbine Cutout Centurion Arms LLC is happy to announce the C4 MLOK® rail.C4 MLOK CARBINE CUT The MLOK C4 rail system is based off the patented quad rail...

Geissele Automatics MK16 M-LOK AR-15 Super Modular Rail The Geissele Super Modular Rail MK16 offers unmatched performance for the most demanding shooters. Mounted to your AR-15 upper using the...

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...

Odin Works Vise Block - Gen 2 Red The Odin Works Vise Block Gen 2 red is a versatile, high-quality firearm accessory designed to provide optimal support and stability during gunsmithing and...

FN America 16" 5.56 NATO AR 15 Barrel - Mid Length The FN America 16" 5.56 NATO AR 15 Barrel is a top-performing component for your AR-15 build. Featuring a mid-length gas system and button broached...

ODIN Works O2 Lite M-LOK Handguard The Lightest Forend for Faster Movement and Improved Dexterity The ODIN Works O2 Lite M-LOK Handguard is designed for shooters seeking the ultimate lightweight...

Breakthrough Clean Technologies Battle Born BIO-Synthetic All-In-One Cleaner / Lubricant / Protectant (MIL-PRF-63460F TYPE B) - 16 Ounce Trigger Spray Bottle This biosynthetic All-In-One (CLP) is...

.625 Low Profile Gas Block Optimize the efficiency and reliability of your rifle's gas system with our .625 Low Profile Gas Block. Crafted with precision from 4140 steel, this durable component...

Rise Armament RA-212 Extended-Latch Charging Handle - Foliage Green Rise Armament's Extended Charging Handle features an extended latch for easier and faster charging for your AR15. Fits all mil-spec...

Spike's Tactical M16 Lightweight Nickle Boron Bolt Carrier Group Your Bolt Carrier Group is one of the most critical parts of your build. Don't buy an imitation. This is the Spike's Tactical...

.625 Low Profile Gas Block - Phosphate The .625 Low Profile Gas Block - Phosphate ensures an efficient and reliable gas system for your AR-15 build. Paired with our gas tubes, it delivers optimal...