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Ar 15 Upper Parts Kit

Best Sellers
  1. Ar-15 9mm Upper Receiver Assembly - A2 9mm Upper Receiver
    Item#:
    739-000-012  
    Our Price:
    $529.99
    Description:
    Easily Convert Your .223 AR Into A Fast-Shooting 9mm
  2. Sr-15 E3 Mod 2 Upper Receivers M-Lok - Ar-15 Upper Receiver Mod 2 16" Urx 4 M-Lok
    Item#:
    100-023-388  
    Our Price:
    $1,700.00
    Description:
    Knight’s Armament Company, or KAC, is known to many for their top tier, military issued rifles and parts. Brownells is proud to offer this line of Knight’s Armament SR-15 MOD 2 complete upper receivers that allow you to easily complete a build or upgrade a rifle with battle proven quality. Built around a chrome lined, cold hammer forged barrel in your choice of 11.5”, 14.5” 16” & 18” lengths with a Mod 2 gas block, and fitted with a KAC 3 prong QDC suppressor compatible flash hider. The Knight’s Armament SR-15 MOD 2 complete upper receivers feature the URX M-LOK handguards that each have 2 anti-rotation QD sling swivel sockets and ev Mfg: Knights Armament
  3. Sr-15 E3 Mod 2 Upper Receivers M-Lok - Ar-15 Upper Receiver Cqb Mod 2 11.5" Urx 4 M-Lok
    Item#:
    100-023-386  
    Our Price:
    $1,762.50
    Description:
    Knight’s Armament Company, or KAC, is known to many for their top tier, military issued rifles and parts. Brownells is proud to offer this line of Knight’s Armament SR-15 MOD 2 complete upper receivers that allow you to easily complete a build or upgrade a rifle with battle proven quality. Built around a chrome lined, cold hammer forged barrel in your choice of 11.5”, 14.5” 16” & 18” lengths with a Mod 2 gas block, and fitted with a KAC 3 prong QDC suppressor compatible flash hider. The Knight’s Armament SR-15 MOD 2 complete upper receivers feature the URX M-LOK handguards that each have 2 anti-rotation QD sling swivel sockets and ev Mfg: Knights Armament
  4. Sr-15 E3 Mod 2 Upper Receivers M-Lok - Ar-15 Upper Receiver Lpr Mod 2 18" Urx 4 M-Lok
    Item#:
    100-023-389  
    Our Price:
    $1,950.56
    Description:
    Knight’s Armament Company, or KAC, is known to many for their top tier, military issued rifles and parts. Brownells is proud to offer this line of Knight’s Armament SR-15 MOD 2 complete upper receivers that allow you to easily complete a build or upgrade a rifle with battle proven quality. Built around a chrome lined, cold hammer forged barrel in your choice of 11.5”, 14.5” 16” & 18” lengths with a Mod 2 gas block, and fitted with a KAC 3 prong QDC suppressor compatible flash hider. The Knight’s Armament SR-15 MOD 2 complete upper receivers feature the URX M-LOK handguards that each have 2 anti-rotation QD sling swivel sockets and ev Mfg: Knights Armament
  5. Ar-15 Stripped Ds4 Upper - Ar-15 16" Ds-4 Upper W/ Lpgb - No Barrel Nut
    Item#:
    100-017-657  
    Our Price:
    $269.99
    Description:
    Double Star Upper with 16” DS-4 Barrel, ready to be your next build’s foundation.  DS-4 barrel features a 1-9 twist, M4 feedramps and a matte black, phosphate finish.  Barrel is chambered in 5.56x45mm NATO, and does not have chrome lining. Flat top upper receiver is ready for the attachment of Picatinny accessories and barrel.  Carbine gas tube and barrel assembly are ready for your choice of handguard and muzzle device. Low profile gas block installs onto the barrels .750” OD gas shoulder. Mfg: Double Star
  6. Ar-15/M16 Upper Small Parts Kit - Ar15/M16 Upper Pins & Springs Kit
    Item#:
    100-014-543  
    Our Price:
    $14.99
    Description:
    Kits contain commonly-replaced AR-15 parts so you can have replacements on hand for refurbishing and repairing your rifle. Kits come with various mixtures of parts. All kits are sold separately. Mfg: Cmmg SPECS: Fits AR-15 and M16 rifles.

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Ar15 Parts

Related Items
  1. Ar-15 Lower Parts Kit - Ar-15 Lpk Complete
    Item#:
    100-500-156  
    Our Price:
    $39.99
    List Price: $56.99
    Description:
    ELG stands for 'Enhanced Longitudinal Grind'.At the heart of this kit stands the longitudinally-ground trigger, which is ground in-line with the direction of pull along the long axis of the trigger, and then finish-polished. This grind and polish provide two significant advantages over standard mil-spec kits.  First, a smoother pull with reduced grittiness and second, an enhanced basis for performing a trigger job. Mfg: Critical Capabilities Llc
  2. Ar-15 Pin Kit
    Item#:
    231-015-001  
    Our Price:
    $16.99
    Description:
    Absolutely the easiest way to keep genuine Mil-spec AR-15 replacement parts in your shop and available for your customers. Contain one each of the following pins: Pivot, Take Down, Hammer and Trigger (0.154" OD), Bolt Catch Roll, Forward Assist Roll, Trigger Guard Roll, Gas Tube Roll, Ejector, Extractor, Firing Pin Retaining, A2 Sight Roll, Takedown/Pivot Detents, and Selector (Safety) Detent. Mfg: Dpms
  3. Ar-15 Lower Parts Kit - Lower Parts Kit Ar-15
    Item#:
    100-011-594  
    Our Price:
    $74.99
    Description:
    Complete kit contains every internal part needed to complete or rebuild an AR lower receiver. High-quality components are designed to work in coordination with each other to ensure smooth operation, and they come packaged in color-coded bags that organize related parts for easy assembly. Includes molded-polymer A2 pistol grip,  Mil-Spec trigger that offers a conventional, single-stage 6 to 6½ lb. service rifle pull. Mfg: Cmmg SPECS: Kit includes A2-style pistol grip, trigger, trigger spring, hammer, disconnector, hammer/trigger retaining pins, hammer spring, bolt stop and screw, selector, selector detent, bolt catch, magazine catch, magazine release button, front pivot pin, rear takedown pin, buffer retainer, triggerg
  4. Ar-15/M16 Armorer's Small Parts Kit - Ar-15 Armorer's Small Parts Kit
    Item#:
    084-000-374  
    Our Price:
    $479.99
    List Price: $599.99
    Description:
    Designed for the armorer or gunsmith who services a lot of ARs! This extensive kit includes the key small components for both the upper and lower receiver to keep your customers’, department’s, or agency’s AR-15s ready for action. Also great for doing multiple builds as well as for replacing parts that have been damaged in use or been lost during installation. Handy insurance to make sure you always have a replacement part when you need one. Mfg: Brownells SPECS: Kit includes: 5 each - hammer, hammer spring, trigger, trigger spring, triggerguard, triggerguard roll pin, disconnector, disconnector spring, safety selector, magazine latch, magazine release button, magazine release spring, bolt catch, bolt catch plunger, bolt catch spring, bolt catch ro
  5. Ar-15 Lower Parts Kit - Ar-15 Lpk No Trigger Guard Or Grip
    Item#:
    100-500-155  
    Our Price:
    $34.99
    List Price: $50.99
    Description:
    ELG stands for 'Enhanced Longitudinal Grind'.At the heart of this kit stands the longitudinally-ground trigger, which is ground in-line with the direction of pull along the long axis of the trigger, and then finish-polished. This grind and polish provide two significant advantages over standard mil-spec kits.  First, a smoother pull with reduced grittiness and second, an enhanced basis for performing a trigger job. Mfg: Critical Capabilities Llc
  6. Ar-15/M16 Field Parts Kit - Ar-15 Field Repair Kit
    Item#:
    078-060-015  
    Our Price:
    $64.99
    Description:
    Don't let a broken part spoil your hunt or ruin an important match. Convenient, pre-packaged kit contains selected DPMS and Yellow Tavern Custom Shoppe parts most often required for emergency, field repairs. Contains: (1) pivot pin, (1) pivot pin spring, (3) bolt gas rings, (2) bolt catch pins, (1) bolt catch spring, (1) buffer retainer spring, (1) buffer spring (CAR), (1) buffer spring (STD), (1) carrier key screw, (2) disconnector springs, (1) ejector, (2) ejector pins, (1) ejector spring, (1) ejection port cover spring, (1) extractor, (1) extractor spring, (1) extractor pin, (1) firing pin, (3) firing pin retaining pins, (1) flash suppressor lock washer,(2) forward assist pins, (1) Mfg: Brownells SPECS: Parkerized finish. Take down pins - .250" diameter.

Ammunition
  1. Superformance Ammo 7mm-08 Remington 139gr Gmx - 7mm-08 Remington 139gr Gmx 20/Box
    Item#:
    749-101-472  
    Our Price:
    $35.79
    Description:
    Hornady has made a monumental breakthrough with its Superformance Ammunition increasing bullet velocity by an average of 100 to 200 fps for any caliber, bullet weight, or bullet type using progressive propellants. Superformance Ammunition can be used in any rifle without increasing felt recoil, muzzle blast, temperature sensitivity, fouling or loss of accuracy. Simply put, Superformance Ammunition is highly accurate, deadly, dependable, and just raised the bar by which all other ammunition will be judged. Previously, in order to attain high-velocity loads, shooters had to use the large charge weights and a slow-burning powder found in light magnum or custom loads, which typically result i Mfg: Hornady
  2. Solid Defense Ammo 223 Remington 70gr Tsx - 223 Remington 70gr Triple Shock-X 50/Box
    Item#:
    749-012-352  
    Our Price:
    $65.99
    Description:
    ASYM PRECISION Ammunition is meticulously manufactured using premium components, each carefully selected to deliver optimum performance. Our ammunition delivers the ultimate in reliability, match grade accuracy, consistency and clean burn, so shooters can focus on their marksmanship and tactics, rather than equipment. ASYM PRECISION law enforcement and defensive ammunition is purpose built to provide dependable, fight stopping terminal performance with minimum flash. Extensive quality control methods and procedures are used. Each cartridge is hand and mechanically inspected as well as gauge checked in a minimum spec chamber to ensure flawless chambering in any in-spec firearm. Lot ru Mfg: Asym Precision Ammunition
  3. Tactical Match Grade Ammo 223 Remington 68gr Otm Bthp - 223 Remington 68gr Otm W/Cannelure 50/Box
    Item#:
    749-012-351  
    Our Price:
    $40.99
    Description:
    ASYM PRECISION Ammunition is meticulously manufactured using premium components, each carefully selected to deliver optimum performance. Our ammunition delivers the ultimate in reliability, match grade accuracy, consistency and clean burn, so shooters can focus on their marksmanship and tactics, rather than equipment. ASYM PRECISION law enforcement and defensive ammunition is purpose built to provide dependable, fight stopping terminal performance with minimum flash. Extensive quality control methods and procedures are used. Each cartridge is hand and mechanically inspected as well as gauge checked in a minimum spec chamber to ensure flawless chambering in any in-spec firearm. Lot ru Mfg: Asym Precision Ammunition
  4. Tactical Match Grade Ammo 308 Winchester 168gr Sierra Matchking - 308 Winchester 168gr Otm Sierra Ma
    Item#:
    749-012-354  
    Our Price:
    $39.99
    Description:
    ASYM PRECISION Ammunition is meticulously manufactured using premium components, each carefully selected to deliver optimum performance. Our ammunition delivers the ultimate in reliability, match grade accuracy, consistency and clean burn, so shooters can focus on their marksmanship and tactics, rather than equipment. ASYM PRECISION law enforcement and defensive ammunition is purpose built to provide dependable, fight stopping terminal performance with minimum flash. Extensive quality control methods and procedures are used. Each cartridge is hand and mechanically inspected as well as gauge checked in a minimum spec chamber to ensure flawless chambering in any in-spec firearm. Lot ru Mfg: Asym Precision Ammunition
  5. Rifle Ammo Boxes - Ammo Boxes Rifle Green 22 Benchrest Rem-6mm Rem Benchrest 25
    Item#:
    749-006-478  
    Our Price:
    $65.99
    Description:
    RIFLE AMMO BOXES Mfg: Sinclair International
  6. Pistol Ammo Cans - 40 S&W 180gr Fmj 400/Can
    Item#:
    105-000-707  
    Our Price:
    $169.99
    Description:
    The Aguila Advantage will hit dead center. A wide variety of calibers from the standard to the unique, Aguila offers high-quality rounds that cycle flawlessly with remarkable consistency in both velocity and accuracy. The use of Non-Corr Priming means reliable ignition in any weather condition. Now combined with the easy to store MTM ammo can. Keeps your ammo stored fresher, longer. Or makes it easier to carry to the range. Mfg: Aguila

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Looking for Ar 15 Upper Parts Kit? You've found Brownells.com, home of the best selection and prices every day. Our assortment of 119 Ar 15 Upper Parts Kit and Ar15 Parts represents the top choices online, ranging in price from $2.99 to $4,195.00. As the internet's top seller of gun parts and gunsmith tools, we're able to bring you the best products, excellent prices, and reliable customer service every day. We're so confident in our selection of Ar 15 Upper Parts Kit, we make you a promise. Our 100% satisfaction guarantee means if you're not completely happy with your purchase, we'll do everything we can to make it right. So check out our complete selection of Ar 15 Upper Parts Kit and place your order online or by calling us toll free at 1-800-741-0015. We're passionate about meeting all your needs for gun parts and gunsmith tools, and we're confident you'll find what you need here. If you have any questions, don't hesitate to give us a call!