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AR-15 Lower Parts
AR-15 Lower Parts
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AR-15 Lower Build Kits
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AR-15 Complete Uppers
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Sights & Optics
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Ammunition
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Glock Parts & Kits

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Deals Depot

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

On-Sale
Faxon Match Series 7.5" GUNNER 300 BLK Pistol 1-5 416-R Stainless Nitride / Melonite 5R Nickel Teflon Extension Barrel

Faxon Match Series 7.5″ GUNNER 300 BLK Pistol 1-5 416-R Stainless Nitride / Melonite 5R Nickel Teflon Extension Barrel

Save 21%
MSRP: $189.00
$149.95
On-Sale
16" Gov Mid M-LOK Upper Assembly

16″ Gov Mid M-LOK Upper Assembly

Starting from: $219.95
On-Sale
BLACK RIFLE DEPOT CQC 4 Position Micro AR 15 Lower Build Kit

CQC 5 Position Micro AR-15 Lower Build Kit

Save 50%
MSRP: $119.95
$59.95
On-Sale
Geissele URGI CHF Barrel 5.56 Complete Upper Assembly Black/DDC Anodized-MK16 HG

Geissele URGI CHF Barrel 5.56 Complete Upper Assembly Black/DDC Anodized-MK16 HG

Starting from: $1,325.00
On-Sale
CMC Single Stage Drop-In 3.5lb Trigger

CMC Single Stage Drop-In 3.5lb Trigger

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On-Sale
CMC Single Stage Drop-In 2.5lb Trigger

CMC Single Stage Drop-In 2.5lb Trigger

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On-Sale
Rogers Super-Stoc Mil-Spec Carbine Buttstock w/ Build-in QD Base

Rogers Super-Stoc Mil-Spec Carbine Buttstock w/ Build-in QD Base

Starting from: $34.95
On-Sale
Dirty Bird Industries Single Stage Nickel Teflon Trigger Group

Dirty Bird Industries Single Stage Nickel Teflon Trigger Group

Starting from: $29.95
On-Sale
Dirty Bird Industries AR-15 Trigger Reduced Power Single Stage Spring Set

Dirty Bird Industries AR-15 Trigger Reduced Power Single Stage Spring Set

Save 60%
MSRP: $9.95
$3.95
On-Sale
Strike Industries Advanced Receiver Extension - Black

Strike Industries Advanced Receiver Extension – Black

Save 18%
MSRP: $59.95
$48.95
On-Sale
Vltor RE-A5 Receiver Extension

Vltor RE-A5 Receiver Extension

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On-Sale
AR-15 armorer’s wrench black powder coated tool for barrel nut and castle nut installation

AR-15 Armorer’s Wrench

Save 36%
MSRP: $21.95
$13.95
On-Sale
Holosun Technologies Reflex HS407K-X2 Red Dot Optical Sight

Holosun Technologies Reflex 407K-X2 Red Dot Optical Sight

Add to cart to see price
On-Sale
Holosun Technologies Reflex HE510C-GR Green Solar

Holosun Technologies Reflex HE510C-GR Green Solar

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On-Sale
Holosun Technologies Reflex HS507C X2 MRS Red Solar

Holosun Technologies Reflex HS507C X2 MRS Red Solar

Add to cart to see price
On-Sale
Dirty Bird Industries Dirty Bird Mil-Spec Style Ambidextrous Safety Selector

Dirty Bird Mil-Spec Style Ambidextrous Safety Selector

Save 33%
MSRP: $14.95
$9.95
On-Sale
Holosun Technologies HS510C Open Reflex Circle Dot Sight

Holosun HUD Solar Powered Circle Dot Sight

Add to cart to see price
On-Sale
CMC Triggers AR 15 Enhanced Bolt Carrier Group - 5.56

CMC Triggers AR 15 Enhanced Bolt Carrier Group – 5.56

Add to cart to see price
On-Sale
STRIKE INDUSTRIES Strike Industries AR 15 Lower Receiver Pin Kit

Strike Industries AR 15 Lower Receiver Pin Kit

Save 36%
MSRP: $24.95
$15.95
On-Sale
TRINITY FORCE Trinity Force Omega AR 15 Stock Black

Omega Stock – Black

Save 24%
MSRP: $24.95
$18.95
On-Sale
BALLISTIC ADVANTAGE 16 .223 Wylde SPR Fluted Stainless Steel Midlength Barrel

Ballistic Advantage 16″ .223 Wylde SPR Fluted Stainless Steel Midlength Barrel

Save 26%
MSRP: $230.00
$169.95
On-Sale
STRIKE INDUSTRIES Strike Industries ARCH-EL Extended Latch Charging Handle

Strike Industries ARCH-EL Extended Latch Charging Handle

Save 36%
MSRP: $46.95
$29.95
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 44%
MSRP: $79.99
$44.95
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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

57 Products

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

19 Products

AR-15 Build Kits
AR-15 Build Kits

18 Products

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

441 Products

Bestselling AR-15 Parts

AR 15 Lower Parts Kit

AR 15 Lower Parts Kit

MSRP: $69.95
$44.95
AR 15 Carbine Buffer Tube Kit

AR 15 Carbine Buffer Tube Kit

MSRP: $39.95
$24.95
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
Global Ordnance 5.56/.223 AR-15 30rd Steel Magazine - Black

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

MSRP: $10.99
$9.99
On-Sale
AR-15 Fire Control Group Trigger and Hammer

AR 15 Fire Control Group (Trigger & Hammer)

Save 33%
MSRP: $29.95
$19.95
AR Tactical Grip with Storage

AR Tactical Grip with Storage

MSRP: $9.95
$8.95
BLACK RIFLE DEPOT Anti walk Pins, AR15, AR 15, AR 15 Parts, AR Parts, AR15 Parts, AR-15 Parts

Anti Walk Pins

MSRP: $10.95
$9.95
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Bestselling Optics & Red Dots

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 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
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

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MSRP: $449.95
$418.99
On-Sale
Holosun Technologies HS510C Open Reflex Circle Dot Sight

Holosun HUD Solar Powered Circle Dot Sight

Add to cart to see price
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
Primary Arms SLx 5x MicroPrism Scope

Primary Arms SLx 5x MicroPrism Scope

Starting from: $399.99
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 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 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
Aim Sports 4X32 Compact Mil-Dot Scope w/ Rings

Aim Sports 4X32 Compact Mil-Dot Scope w/ Rings

MSRP: $43.59
$30.50
Vortex Venom 3-15x44 FFP 34mm Rifle Scope

Vortex Venom 3-15×44 FFP 34mm Rifle Scope

Starting from: $449.99
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

,
MSRP: $449.95
$418.99
View All Optics & Sights

Recent Blog Posts

9 AR-15 Parts Builders Forget Until They Fail
9 AR-15 Parts Builders Forget Until They Fail

When planning a rifle, most builders focus on the barrel, bolt carrier group, trigger, handguard, [...]

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05
Aug
AR-15 Accessories for Sale: Best Upgrades to Buy First
AR-15 Accessories for Sale: Best Upgrades to Buy First

Choosing the right AR-15 Accessories is easier when every purchase has a clear purpose. The [...]

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03
Aug
9 Common AR-15 Lower Build Kit Mistakes: How to Avoid Them
9 Common AR-15 Lower Build Kit Mistakes: How to Avoid Them

Building an AR-15 lower receiver gives you control over the rifle’s trigger, controls, grip, stock, [...]

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31
Jul
Hand Stop vs Vertical Grip: Which is Winning in 2026?
Hand Stop vs Vertical Grip: Which Is Winning in 2026?

Choosing the right AR-15 Foregrip may seem like a small decision, but the accessory beneath [...]

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29
Jul
Frequently Asked Questions About AR-15 Accessories
Frequently Asked Questions About AR-15 Accessories

Choosing the right AR-15 Accessories can improve the way your rifle handles, performs, and fits [...]

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27
Jul
AR-15 Handguards: What to Know Before Buying Online
AR-15 Handguards: What to Know Before Buying Online

Shopping for AR-15 Handguards online requires more than choosing the best-looking rail. The handguard affects [...]

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24
Jul