Your search for AR 15 Parts & Ar 15 Parts Kits starts at Black Rifle Depot

AR-15 Lower Parts
AR-15 Lower Parts
AR-15 Lower Build Kits
AR-15 Lower Build Kits
AR-15 Complete Uppers
AR-15 Complete Uppers
Sights & Optics
Sights & Optics
Forced Reset Triggers
Forced Reset Triggers
Glock Parts & Kits
Glock Parts & Kits

Popular Brands

  • Magpul
  • Strike Industries
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  • Aero Precision
  • Dirty Bird Industries

Deals Depot

Shop incredible deals on AR-15 Parts, Ammo, Optics and More!

On-Sale
New
Active Safety Designs ARC-Fire Trigger Kit V2 bundled with Magpul PMAG D-60 60-round drum magazine

Active Safety Designs Ambidextrous ARC-Fire Trigger Kit V2 + Magpul PMAG D-60 5.56 60RD

,
Save 36%
MSRP: $389.94
$249.95
On-Sale
New
Partisan Disruptor black AR-15 forced reset trigger bundled with Vortex Crossfire II 2 MOA red dot sight

Partisan Disruptor Black Forced Reset Trigger + Vortex Crossfire II 2 MOA Red Dot

,
Save 42%
MSRP: $518.99
$299.95
On-Sale
New
Partisan Disruptor black AR-15 forced reset trigger bundled with Magpul PMAG D-60 60-round drum magazine

Partisan Disruptor Black Forced Reset Trigger + Magpul PMAG D-60 5.56 60RD

,
Save 25%
MSRP: $438.50
$329.95
On-Sale
New
Partisan Disruptor black AR-15 forced reset trigger bundled with Holosun ARO 2 MOA red dot sight

Partisan Disruptor Black Forced Reset Trigger + Holosun ARO 2 MOA Red Dot

,
Save 34%
MSRP: $487.22
$319.95
On-Sale
Griffin Armament MK1 AR-15 Assembled Upper Receiver

Griffin Armament MK1 AR-15 Assembled Upper Receiver

Starting from: $119.95
On-Sale
Tipton Best Gun Vise Gen 2 with adjustable reinforced clamps and VISE MOD accessory storage

Tipton Best Gun Vise Gen 2

Save 40%
MSRP: $99.99
$59.95
On-Sale
Active Safety Designs ARC-Fire Trigger Kit V2 bundled with Holosun ARO 2 MOA green enclosed rifle sight

Active Safety Designs Ambidextrous ARC-Fire Trigger Kit V2 with Holosun ARO 2 MOA Green Dot Sight

,
Save 44%
MSRP: $449.95
$249.95
On-Sale
Active Safety Designs ARC-Fire Trigger Kit V2 bundled with Holosun ARO multi-reticle red enclosed rifle sight

Active Safety Designs Ambidextrous ARC-Fire Trigger Kit V2 with Holosun ARO Multi-Reticle Red Dot Sight

,
Save 44%
MSRP: $484.95
$269.95
On-Sale
Active Safety ARC-Fire V2 trigger kit bundled with Holosun ARO 2 MOA red enclosed rifle sight

Active Safety ARC-Fire V2 Trigger Kit with Holosun ARO 2 MOA Red Dot Sight

,
Save 43%
MSRP: $436.95
$249.95
On-Sale
SB Tactical HBPDW 5.56 Pistol Stabilizing Brace - Black

SB Tactical HBPDW 5.56 Pistol Stabilizing Brace – Black

Save 33%
MSRP: $299.99
$199.95
On-Sale
Dirty Bird 2-Stage Trigger Group

Dirty Bird 2-Stage Trigger Group

Starting from: $69.95
On-Sale
Dirty Bird AR-15 Single Stage Quick Reset Drop-In Trigger

Dirty Bird AR-15 Single Stage Quick Reset Drop-In Trigger

Starting from: $89.95
On-Sale
Dirty Bird Industries Single Stage Nickel Teflon Trigger Group

Dirty Bird Industries Single Stage Nickel Teflon Trigger Group

Starting from: $31.95
On-Sale
Global Ordnance 5.56/.223 AR-15 30rd Steel Magazine - Black

Global Ordnance 5.56/.223 AR-15 30rd Steel Magazine – Black

Save 19%
MSRP: $10.99
$8.95
On-Sale
15" Ultralight M-LOK AR15 Handguard

15″ Ultralight M-LOK AR15 Handguard

Save 69%
MSRP: $129.95
$39.95
On-Sale
AR 15 Lower Parts Kit

AR 15 Lower Parts Kit

Save 43%
MSRP: $69.95
$39.95
On-Sale
AR-15 Fire Control Group Trigger and Hammer

AR 15 Fire Control Group (Trigger & Hammer)

Save 33%
MSRP: $29.95
$19.95
On-Sale
BLACK RIFLE DEPOT M16A2 Stock and Buffer Kit, A2 Stock, AR 15 Stock, AR 15 Parts, AR15 Parts, AR Parts, AR 15 Lower Parts, AR 15 Stock Kit, AR15 Accessories, M16

A2 Stock and Buffer Kit

Save 50%
MSRP: $79.99
$39.95
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AR-15 Part Kits

Discover our comprehensive range of AR-15 kits at Black Rifle Depot, designed to provide everything you need for building and customizing your firearm. From Lower Parts and Build Kits to Upper Parts and Build Kits, Rifle Build Kits, Pistol Build Kits, and Stock and Buffer Kits, each kit is meticulously curated to ensure top-quality, compatible components that enhance performance and reliability. Find the perfect kit to complete your AR-15 build with confidence and precision, and stay tuned for more Black Friday and Cyber Monday deals on AR-15 parts kits.

 

AR-15 Lower Parts Kits
AR-15 Lower Parts Kits

73 Products

AR-15 Lower Build Kits
AR-15 Lower Build Kits

59 Products

AR-15 Upper Build Kits
AR-15 Upper Build Kits

19 Products

AR-15 Build Kits
AR-15 Build Kits

17 Products

AR-15 Stocks And Buffer Kits
AR-15 Stocks And Buffer Kits

448 Products

Bestselling AR-15 Parts

On-Sale
AR 15 Lower Parts Kit

AR 15 Lower Parts Kit

Save 43%
MSRP: $69.95
$39.95
AR 15 Carbine Buffer Tube Kit

AR 15 Carbine Buffer Tube Kit

MSRP: $39.95
$24.95
BLACK RIFLE DEPOT AR 15 Lower Parts Kit Minus Fire Control Group and Grip, AR 15 Lower Parts Kit, AR 15 Lower Parts, AR 15 Lower Kit, AR 15 Parts, AR15 Parts, AR 15 Accessories, Best AR 15 Lower Parts Kit, AR 15 LPK, American Made AR 15 LPK

AR 15 Lower Parts Kit Minus Fire Control Group & Grip

MSRP: $23.95
$21.95
BLACK RIFLE DEPOT AR 15 Trigger, AR 15 lower parts

AR 15 Mil-Spec Trigger

MSRP: $15.95
$10.95
APOC ARMORY AR 15 Low Profile Gas Block - Black Nitride, AR15, AR 15, AR 15 Parts, AR Parts, AR15 Parts, AR-15 Parts

.750 Low Profile Gas Block – Black Nitride

MSRP: $25.95
$19.95
Black Nitride Gas Tube

Black Nitride Gas Tube

MSRP: $18.95
Starting from: $13.95
On-Sale
Global Ordnance 5.56/.223 AR-15 30rd Steel Magazine - Black

Global Ordnance 5.56/.223 AR-15 30rd Steel Magazine – Black

Save 19%
MSRP: $10.99
$8.95
On-Sale
AR-15 Fire Control Group Trigger and Hammer

AR 15 Fire Control Group (Trigger & Hammer)

Save 33%
MSRP: $29.95
$19.95
View All Best Sellers

Bestselling Optics & Red Dots

Vortex Defender-ST Micro Red Dot

Vortex Defender-ST Micro Red Dot

Starting from: $299.99
Vortex Defender-ST Enclosed Solar 3 MOA Red Dot Sight

Vortex Defender-ST Enclosed Solar 3 MOA Red Dot Sight

MSRP: $529.99
$379.99
Holosun ARO Advanced Rifle Enclosed Sight

Holosun ARO Advanced Rifle Enclosed Sight

Starting from: $159.99
Vortex Defender-XL Micro 3 MOA Green Dot

Vortex Defender-XL Micro 3 MOA Green Dot

MSRP: $599.99
$399.99
Holosun AEMS Black Anodized 1x 2/65 MOA Illuminated Green Circle w/Dot Reticle Features Lower 1/3 Co-Witness Mount

Holosun AEMS Black Anodized 1x 2/65 MOA Illuminated Green Circle w/Dot Reticle Features Lower 1/3 Co-Witness Mount

MSRP: $505.87
$449.95
On-Sale
Active Safety Designs ARC-Fire Trigger Kit V2 bundled with Holosun ARO 2 MOA green enclosed rifle sight

Active Safety Designs Ambidextrous ARC-Fire Trigger Kit V2 with Holosun ARO 2 MOA Green Dot Sight

,
Save 44%
MSRP: $449.95
$249.95
On-Sale
Active Safety ARC-Fire V2 trigger kit bundled with Holosun ARO 2 MOA red enclosed rifle sight

Active Safety ARC-Fire V2 Trigger Kit with Holosun ARO 2 MOA Red Dot Sight

,
Save 43%
MSRP: $436.95
$249.95
VISM Urban Dot Sight w/Green Laser & Red/White Navigation

VISM Urban Dot Sight w/Green Laser & Red/White Navigation

MSRP: $131.99
$114.95
Vortex Venom 1-6-24 SFP 30mm AR-BDC3 LPVO w/ 2" Cantilever 30mm Mount

Vortex Venom 1-6-24 SFP 30mm AR-BDC3 LPVO w/ 2″ Cantilever 30mm Mount

MSRP: $469.99
$329.99
Vortex Venom 1-6×24 SFP 30mm Rifle Scope - AR-BDC3 Reticle

Vortex Venom 1-6×24 SFP 30mm Rifle Scope – AR-BDC3 Reticle

MSRP: $449.99
$299.99
Vortex Defender-ST Enclosed Solar 3 MOA Red Dot Sight

Vortex Defender-ST Enclosed Solar 3 MOA Red Dot Sight

MSRP: $529.99
$379.99
Vortex Defender-ST Micro Red Dot

Vortex Defender-ST Micro Red Dot

Starting from: $299.99
Holosun ARO Advanced Rifle Enclosed Sight

Holosun ARO Advanced Rifle Enclosed Sight

Starting from: $159.99
Vortex Sonora 4-12x44 SFP Rifle Scope - Dead Hold BDC Reticle

Vortex Sonora 4-12×44 SFP Rifle Scope – Dead Hold BDC Reticle

MSRP: $209.99
$149.99
Vortex Defender-XL Micro 3 MOA Green Dot

Vortex Defender-XL Micro 3 MOA Green Dot

MSRP: $599.99
$399.99
Holosun AEMS Black Anodized 1x 2/65 MOA Illuminated Green Circle w/Dot Reticle Features Lower 1/3 Co-Witness Mount

Holosun AEMS Black Anodized 1x 2/65 MOA Illuminated Green Circle w/Dot Reticle Features Lower 1/3 Co-Witness Mount

MSRP: $505.87
$449.95
View All Optics & Sights

Just Added

On-Sale
New
Active Safety Designs ARC-Fire Trigger Kit V2 bundled with Magpul PMAG D-60 60-round drum magazine

Active Safety Designs Ambidextrous ARC-Fire Trigger Kit V2 + Magpul PMAG D-60 5.56 60RD

,
Save 36%
MSRP: $389.94
$249.95
On-Sale
New
Partisan Disruptor black AR-15 forced reset trigger bundled with Vortex Crossfire II 2 MOA red dot sight

Partisan Disruptor Black Forced Reset Trigger + Vortex Crossfire II 2 MOA Red Dot

,
Save 42%
MSRP: $518.99
$299.95
On-Sale
New
Partisan Disruptor black AR-15 forced reset trigger bundled with Magpul PMAG D-60 60-round drum magazine

Partisan Disruptor Black Forced Reset Trigger + Magpul PMAG D-60 5.56 60RD

,
Save 25%
MSRP: $438.50
$329.95
On-Sale
New
Partisan Disruptor black AR-15 forced reset trigger bundled with Holosun ARO 2 MOA red dot sight

Partisan Disruptor Black Forced Reset Trigger + Holosun ARO 2 MOA Red Dot

,
Save 34%
MSRP: $487.22
$319.95
New
16" 5.56 NATO 1:7 Carbine Lightweight Barrel - Phosphate

16″ 5.56 NATO 1:7 Carbine Lightweight Barrel – Phosphate

MSRP: $129.95
$89.95
New
Black Rifle Depot 20-inch 5.56 NATO heavy AR-15 barrel with rifle-length gas system and Parkerized finish

20″ 5.56 NATO 1:7 Twist Parkerized Heavy Rifle Barrel

MSRP: $149.95
$99.95
New
Faxon Duty Series 16-inch Gunner 5.56 barreled AR-15 upper with 15-inch M-LOK handguard

Faxon Firearms Duty Series Barreled AR-15 Upper Receiver – 5.56 – 16″

MSRP: $532.00
$490.00
New
Faxon Firearms factory-trued stripped AR-15 upper receiver with engraved T-marks and Type III anodized finish

Faxon Firearms Factory Trued Stripped Upper Receiver – Anodized

MSRP: $99.99
$92.00
New
1/2-28 Extended Flash Hider for 13.7" Barrels - .223/5.56

1/2-28 Extended Flash Hider for 13.7″ Barrels – .223/5.56

MSRP: $29.95
$26.95
New
Faxon Superfinished 5.56 Gunner Lightweight AR-15 bolt carrier group with TiN PVD gold finish

Faxon Firearms Superfinished 5.56 NATO Gunner Lightweight Bolt Carrier Group – TiN

MSRP: $299.00
$284.05
New
Faxon Match Series 18-inch Gunner .223 Wylde AR-15 barrel with rifle-length gas system and nitride finish

Faxon Match Series Firearms 18″ GUNNER .223 Wylde Rifle-Length 416-R Stainless Nitride / Melonite 5R Nickel Teflon Extension Barrel 1:8 Twist

MSRP: $244.00
$225.00
New
Faxon Superfinished 5.56 M16 bolt carrier group with hard chrome finish

Faxon Firearms Superfinished 5.56 NATO M16 Bolt Carrier Group – Chrome

MSRP: $285.00
$270.75
View All Recently Added Products

Recent Blog Posts

AR-15 Stocks and Buffers Buying Guide: How to Choose the Right Setup
AR-15 Stocks and Buffers Buying Guide: How to Choose the Right Setup

Choosing the right AR-15 stock and buffer system is an important part of building or [...]

Read More
16
Oct
Best AR-15 Lower Parts Kits of 2026: Aero, BCM, Geissele, and Other Leading Brands Compared
Best AR-15 Lower Parts Kits of 2026: Aero, BCM, Geissele, and Other Leading Brands Compared

The AR-15 parts market in 2026 offers a wide selection of lower parts kits, ranging [...]

Read More
14
Oct
New NFA Ruling 2026: What the End of Federal Enforcement Means for Gun Owners
New NFA Ruling 2026: What the End of Federal Enforcement Means for Gun Owners

The National Firearms Act (NFA) has undergone one of its most significant changes in decades. [...]

Read More
12
Oct
Why Buy AR-15 Parts from Black Rifle Depot? Brands, Pricing, Shipping & More
Why Buy AR-15 Parts from Black Rifle Depot? Brands, Pricing, Shipping & More

When you’re shopping for AR-15 parts online, price matters, but so do selection, availability, shipping [...]

Read More
09
Oct
Partisan Triggers Disruptor AR-15 3 Position Drop-In Forced Reset Triggers
Partisan Triggers Disruptor AR-15 3 Position Drop-In Forced Reset Triggers

The AR-15 has long been popular because shooters can easily customize the platform. From handguards [...]

Read More
07
Oct
AR-15 Gas System Lengths Explained: Pistol, Carbine, Mid & Rifle
AR-15 Gas System Lengths Explained: Pistol, Carbine, Mid & Rifle

The AR-15 gas system plays a major role in how the rifle cycles, how quickly [...]

Read More
05
Oct