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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
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Slate Black Industries M-LOK Vertical Grip in Black, FDE, OD Green, and Slate Grey

Slate Black Industries M-LOK Vertical Grip

Starting from: $16.95
On-Sale
New
Slate Black Industries M-LOK Slate Stop hand stop in Black, FDE, OD Green, or Slate Grey

Slate Black Industries M-LOK Slate Stop

Starting from: $15.95
On-Sale
New
Slate Black Industries 3-slot M-LOK Slate Panels three-pack in Black, FDE, OD Green, or Slate Grey

Slate Black Industries 3-Slot M-LOK Slate Panels

Starting from: $15.95
On-Sale
New
Slate Black Industries 1-slot M-LOK Slate Panels three-pack with textured polymer grip surface in Black, FDE, or OD Green colors

Slate Black Industries 1-Slot M-LOK Slate Panels

Starting from: $12.95
On-Sale
New
Slate Black Industries 2-slot M-LOK Slate Panels three-pack in multiple colors with textured polymer grip surface

Slate Black Industries 2-Slot M-LOK Slate Panels

Starting from: $14.95
On-Sale
New
Winchester WM855K 5.56 NATO 62 grain FMJ green tip rifle ammunition in a 20-round box

Winchester WM855K 5.56 NATO 62gr FMJ GREEN TIP Rifle Ammo – 20 Rounds

Save 14%
Starting from: $12.95
$0.65 CPR
On-Sale
New
Winchester Ammo USA9MMVP USA 9mm Luger 115 gr (FMJ) target ammo/Handgun Ammo - 100 Rounds

Winchester Ammo USA9MMVP USA 9mm Luger 115 gr (FMJ) target ammo/Handgun Ammo – 100 Rounds

Save 33%
MSRP: $44.99
$29.95
$0.30 CPR
On-Sale
20 inch 6.5 Grendel AR-15 stainless heavy barrel with 1:8 twist and rifle-length gas system

20″ 6.5 Grendel 1:8 Twist Stainless Heavy Rifle Barrel

Save 50%
MSRP: $179.95
$89.95
On-Sale
Holosun ARO Advanced Rifle Enclosed Sight

Holosun ARO Advanced Rifle Enclosed Sight

Starting from: $119.95
On-Sale
Holosun ARO 2 MOA Red Dot w/ HM3X Magnifier Combo

Holosun ARO 2 MOA Red Dot w/ HM3X Magnifier Combo

Save 35%
MSRP: $399.99
$259.95
On-Sale
AR-15 Minimalist M-LOK Free-Float Handguard

AR-15 Minimalist M-LOK Free-Float Handguard

Starting from: $39.95
On-Sale
Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group - Nickel Boron

Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group – Nickel Boron

Save 38%
MSRP: $159.95
$99.95
On-Sale
One Horse M16 .223/5.56 bolt carrier group with black nitride finish for AR-15 rifles

One Horse M16 .223/5.56 Bolt Carrier Group – Black Nitride

Save 22%
Starting from: $69.95
On-Sale
Assembled Nitride Low Profile Gas Block + Stainless Steel Gas Tube

Assembled Nitride Low Profile Gas Block + Stainless Steel Gas Tube

Starting from: $19.95
On-Sale
RISE Armament AR-15 Ambi Charging Handle and Safety Selector Combo

RISE Armament AR-15 Ambi Charging Handle and Safety Selector Combo

Save 44%
MSRP: $159.98
$89.95
On-Sale
16" Gov Mid M-LOK Upper Assembly

16″ Gov Mid M-LOK Upper Assembly

Starting from: $199.95
On-Sale
Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56

Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56

Save 27%
MSRP: $149.95
$109.95
On-Sale
Dirty Bird Industries Sand-Cut Bolt Carrier Group .223/5.56

Dirty Bird Industries Sand-Cut Bolt Carrier Group .223/5.56

Starting from: $129.95
On-Sale
ODIN Works XMR 3 Extended Mag Release

ODIN Works XMR 3 Extended Mag Release

Starting from: $17.95
On-Sale
Faxon Match Series Firearms 20" Heavy Fluted 6mm ARC Rifle 416-R Stainless Nitride / Melonite 5R Nickel Teflon Extension Barrel

Faxon Match Series Firearms 20″ Heavy Fluted 6mm ARC Rifle 416-R Stainless Nitride / Melonite 5R Nickel Teflon Extension Barrel

Save 21%
MSRP: $302.00
$239.95
On-Sale
Winchester WM193K M193 5.56NATO 55 Grain FMJ Rifle Ammo - 20 Round Box

Winchester WM193K M193 5.56NATO 55 Grain FMJ Rifle Ammo – 20 Round Box

Save 20%
MSRP: $14.99
$11.95
$0.60 CPR
On-Sale
BLACK RIFLE DEPOT Mil Spec AR 15 Stock and Buffer Kit, AR15, AR 15, AR 15 Parts, AR Parts, AR15 Parts, AR-15 Parts

Mil-Spec AR 15 Stock and Buffer Kit

Save 64%
MSRP: $54.95
$19.95
On-Sale
15" Ultralight M-LOK AR15 Handguard

15″ Ultralight M-LOK AR15 Handguard

Save 62%
MSRP: $129.95
$49.95
On-Sale
MAGPUL Magpul M-LOK MVG Grip Black

Magpul M-LOK MVG Vertical Grip (Black)

Save 31%
MSRP: $22.95
$15.95
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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

440 Products

Bestselling AR-15 Parts

On-Sale
AR 15 Lower Parts Kit

AR 15 Lower Parts Kit

Save 57%
MSRP: $69.95
$29.95
On-Sale
AR 15 Carbine Buffer Tube Kit

AR 15 Carbine Buffer Tube Kit

Save 60%
MSRP: $39.95
$15.95
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
AR-15 Fire Control Group Trigger and Hammer

AR 15 Fire Control Group (Trigger & Hammer)

MSRP: $29.95
$24.95
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 Triumph 2 MOA Red Dot Sight

Vortex Triumph 2 MOA Red Dot Sight

MSRP: $149.99
$99.99
Vortex Defender-ST Micro Red Dot

Vortex Defender-ST Micro Red Dot

Starting from: $299.99
On-Sale
Holosun ARO Advanced Rifle Enclosed Sight

Holosun ARO Advanced Rifle Enclosed Sight

Starting from: $119.95
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
Holosun SCRS Solar Charging Rifle Sight

Holosun SCRS Solar Charging Rifle Sight

Starting from: $229.99
Primary Arms SLx 5x MicroPrism Scope

Primary Arms SLx 5x MicroPrism Scope

MSRP: $399.99
$399.99
VISM FlipDot Pro Red Dot Reflex Optic - Black

VISM FlipDot Pro Red Dot Reflex Optic – Black

MSRP: $129.99
$99.99
Holosun Technologies 407C-X2 Red Dot Sight 2 MOA

Holosun Technologies 407C-X2 Red Dot Sight 2 MOA

MSRP: $288.22
$244.99
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 Triumph 2 MOA Red Dot Sight

Vortex Triumph 2 MOA Red Dot Sight

MSRP: $149.99
$99.99
Vortex Defender-ST Micro Red Dot

Vortex Defender-ST Micro Red Dot

Starting from: $299.99
On-Sale
Holosun ARO Advanced Rifle Enclosed Sight

Holosun ARO Advanced Rifle Enclosed Sight

Starting from: $119.95
Aim Sports 4X32 Tri Illuminated Scope w/Fiber Optic Sight Mil-Dot Reticle

Aim Sports 4X32 Tri Illuminated Scope w/Fiber Optic Sight Mil-Dot Reticle

MSRP: $114.99
$80.50
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
Primary Arms SLx 1-6x24mm SFP Rifle Scope Gen IV - Illuminated ACSS Nova Fiber Wire Reticle

Primary Arms SLx 1-6x24mm SFP Rifle Scope Gen IV – Illuminated ACSS Nova Fiber Wire Reticle

MSRP: $399.99
$349.99
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Just Added

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New
Slate Black Industries M-LOK Vertical Grip in Black, FDE, OD Green, and Slate Grey

Slate Black Industries M-LOK Vertical Grip

Starting from: $16.95
On-Sale
New
Slate Black Industries M-LOK Slate Stop hand stop in Black, FDE, OD Green, or Slate Grey

Slate Black Industries M-LOK Slate Stop

Starting from: $15.95
On-Sale
New
Slate Black Industries 3-slot M-LOK Slate Panels three-pack in Black, FDE, OD Green, or Slate Grey

Slate Black Industries 3-Slot M-LOK Slate Panels

Starting from: $15.95
On-Sale
New
Slate Black Industries 1-slot M-LOK Slate Panels three-pack with textured polymer grip surface in Black, FDE, or OD Green colors

Slate Black Industries 1-Slot M-LOK Slate Panels

Starting from: $12.95
On-Sale
New
Slate Black Industries 2-slot M-LOK Slate Panels three-pack in multiple colors with textured polymer grip surface

Slate Black Industries 2-Slot M-LOK Slate Panels

Starting from: $14.95
On-Sale
New
Winchester WM855K 5.56 NATO 62 grain FMJ green tip rifle ammunition in a 20-round box

Winchester WM855K 5.56 NATO 62gr FMJ GREEN TIP Rifle Ammo – 20 Rounds

Save 14%
Starting from: $12.95
$0.65 CPR
On-Sale
New
Winchester Ammo USA9MMVP USA 9mm Luger 115 gr (FMJ) target ammo/Handgun Ammo - 100 Rounds

Winchester Ammo USA9MMVP USA 9mm Luger 115 gr (FMJ) target ammo/Handgun Ammo – 100 Rounds

Save 33%
MSRP: $44.99
$29.95
$0.30 CPR
New
Vortex Crossfire II 2 MOA red dot bundled with Active Safety Designs ARC-Fire V2 45-90 ARC trigger kit

Vortex Crossfire II 2 MOA Red Dot with Active Safety Designs Ambidextrous ARC-Fire Trigger Kit V2 – 45-90 ARC

,
MSRP: $469.95
$399.95
New
Rise Armament Combo Kit - RA-535 Black Trigger w/6423 Black Ambi Safety Selector

Rise Armament Combo Kit – RA-535 Black Trigger w/6423 Black Ambi Safety Selector

MSRP: $269.99
$219.99
New
Dirty Bird Black Nitride 9mm Barrel for Glock 17 Gen 5 - Threaded 1:10 Twist

Dirty Bird Black Nitride 9mm Barrel for Glock 17 Gen 5 – Threaded 1:10 Twist

MSRP: $109.99
$99.99
New
Vortex Crossfire II 2 MOA Red Dot

Vortex Crossfire II 2 MOA Red Dot

MSRP: $219.99
$149.99
New
Winchester WM855K 5.56 green tip 1000 round case bundled with Active Safety ARC-Fire V2 45-90 trigger kit

Winchester WM855K 5.56 NATO 62gr Green Tip 1000 Round Case with Active Safety ARC-Fire V2 45-90 ARC Kit

,
MSRP: $998.99
$968.99
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Recent Blog Posts

AR-15 Barrel Twist Rates: How to Choose the Right Twist for Your Ammo
AR-15 Barrel Twist Rates: How to Choose the Right Twist for Your Ammo

Choosing the right AR-15 barrel involves more than deciding on length, profile, finish, or gas-system [...]

Read More
20
Jul
AR-15 Parts Names and Functions: What Each Component Is Called Before You Buy
AR-15 Parts Names and Functions: What Each Component Is Called Before You Buy

Understanding AR-15 parts names makes it easier to shop for replacements, compare upgrades, and avoid ordering [...]

Read More
17
Jul
Is Vortex Venom still worth it in 2026?
Is Vortex Venom still worth it in 2026?

The Vortex Venom name has been around long enough that many shooters now ask a [...]

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15
Jul
Best AR-15 Handguard Types: 5 Things to Look For in 2026
Best AR-15 Handguard Types: 5 Things to Look For in 2026

Choosing the right AR-15 handguard is one of the most important decisions you can make [...]

Read More
13
Jul
AR-15 Gas System: AR-15 Parts Most Builders Get Wrong
AR-15 Gas System: AR-15 Parts Most Builders Get Wrong

When people talk about AR-15 parts, they usually focus on barrels, triggers, handguards, stocks, and [...]

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10
Jul
Ballistic Advantage vs. Faxon AR-15 Barrels: Worth the Money?
Ballistic Advantage vs. Faxon AR-15 Barrels: Worth the Money?

Choosing between Ballistic Advantage and Faxon is one of the most common decisions builders face [...]

Read More
08
Jul