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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!

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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

,
Save 49%
MSRP: $469.95
$239.95
On-Sale
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

Save 33%
MSRP: $269.99
$179.95
On-Sale
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

Save 64%
MSRP: $109.99
$39.95
On-Sale
New
Atrius Development 3 Position Mil-Spec Style Super Selector Safety

Atrius Development 3 Position Mil-Spec Style Super Selector Safety

Save 30%
MSRP: $199.00
$139.95
On-Sale
New
Primary Arms CLx RD-23 compact red dot sight with 3 MOA dot and solar backup

Primary Arms CLx Red Dot

Save 45%
MSRP: $199.99
$109.95
On-Sale
New
Breek Arms Direct-Thread Low Profile Universal Suppressor Hub Titanium - 1/2x28

Breek Arms Direct-Thread Low Profile Universal Suppressor Hub Titanium – 1/2×28

Save 38%
MSRP: $88.95
$54.95
On-Sale
New
Breek Arms titanium direct-thread low profile suppressor HUB mount with 5/8x24 threads

Breek Arms Direct-Thread Low Profile Universal Suppressor Hub Titanium – 5/8×24

Save 38%
MSRP: $88.95
$54.95
On-Sale
.223/5.56/300 BLK Complete Bolt Carrier Group - Nickel Boron w/ Logo

.223/5.56/300 BLK Complete Bolt Carrier Group – Nickel Boron w/ Logo

Save 38%
MSRP: $159.95
$99.95
On-Sale
Free Float M-LOK Elite Series Suppressor-Ready Handguard

Free Float M-LOK Elite Series Suppressor-Ready Handguard

Starting from: $89.95
On-Sale
MIMTAC Drastic AR-15 Drop-In Single Stage Trigger - 3.5lb

MIMTAC Drastic AR-15 Drop-In Single Stage Trigger – 3.5lb

Starting from: $69.95
On-Sale
Ballistic Advantage 16" 5.56 HBAR Profile Midlength AR-15 Barrel, Modern Series

Ballistic Advantage 16″ 5.56 HBAR Profile Midlength AR-15 Barrel, Modern Series

Save 46%
MSRP: $185.00
$99.95
On-Sale
Ballistic Advantage 10.5" 5.56 Government Profile Carbine AR-15 Barrel, Modern Series w/ FSB, Circular Handguard Cap and Delta Ring Assembly

Ballistic Advantage 10.5″ 5.56 Government Profile Carbine AR-15 Barrel, Modern Series w/ FSB, Circular Handguard Cap and Delta Ring Assembly

Save 27%
MSRP: $220.00
$159.95
On-Sale
16" Gov Mid M-LOK Upper Assembly

16″ Gov Mid M-LOK Upper Assembly

Starting from: $209.95
On-Sale
M16A1 Assembled Upper Receiver

M16A1 Assembled Upper Receiver

Starting from: $129.95
On-Sale
Dirty Bird 2-Stage Trigger Group

Dirty Bird 2-Stage Trigger Group

Starting from: $69.95
On-Sale
Dirty Bird 16" 5.56 NATO Govt M-LOK AR-15 Complete Upper Assembly V3

Dirty Bird 16″ 5.56 NATO Govt M-LOK AR-15 Complete Upper Assembly V3

Starting from: $349.95
On-Sale
Rise Armament RAVE 140 Drop-in Trigger Flat / Curved

Rise Armament RAVE 140 Drop-in Trigger Flat / Curved

Starting from: $94.95
On-Sale
Unrivaled Armory 2-Stage Dead Blow Duty Buffer System

Unrivaled Armory 2-Stage Dead Blow Duty Buffer System

Save 16%
Starting from: $149.95
On-Sale
Breek Arms Warhammer Micro AR-15 Charging Handle
Out of stock

Breek Arms Warhammer Micro AR-15 Charging Handle

Starting from: $34.95
On-Sale
Ballistic Advantage 14.5" 5.56 Government Profile Mid-length AR-15 Barrel, Modern Series w/ FSB, Circular Handguard Cap and Delta Ring Assembly

Ballistic Advantage 14.5″ 5.56 Government Profile Midlength AR-15 Barrel, Modern Series w/ FSB, Circular Handguard Cap and Delta Ring Assembly

Save 27%
MSRP: $220.00
$159.95
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
Bear Creek Arsenal M16 Profile 5.56 Black Nitride Bolt Carrier Group

Bear Creek Arsenal M16 Profile 5.56 Black Nitride Bolt Carrier Group

Save 42%
MSRP: $85.95
$49.95
On-Sale
20" 5.56 Gov / SOCOM M-LOK Upper Assembly

20″ 5.56 Gov / SOCOM M-LOK Upper Assembly

Save 48%
MSRP: $419.99
$219.95
On-Sale
BLACK RIFLE DEPOT 20 Black Nitride 5.56 NATO Government Barrel

20″ Black Nitride 5.56 NATO Government Barrel

Save 38%
MSRP: $129.95
$79.95
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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

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
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
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
Holosun ARO Advanced Rifle Enclosed Sight

Holosun ARO Advanced Rifle Enclosed Sight

Starting from: $159.99
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
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
Holosun ARO Advanced Rifle Enclosed Sight

Holosun ARO Advanced Rifle Enclosed Sight

Starting from: $159.99
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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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

,
Save 49%
MSRP: $469.95
$239.95
On-Sale
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

Save 33%
MSRP: $269.99
$179.95
On-Sale
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

Save 64%
MSRP: $109.99
$39.95
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
New
Dogwood Armory KRISS VECTOR 10mm/45 3 Position Forced Reset System

Dogwood Armory KRISS VECTOR 10mm/45 3 Position Forced Reset System

Starting from: $200.00
New
Kaw Valley Precision Blast Shield for ASR

Kaw Valley Precision Blast Shield for ASR

MSRP: $89.95
$79.95
New
Voidspec TX22 Active Reset Trigger + Guide Rod Kit

Voidspec TX22 Active Reset Trigger + Guide Rod Kit

Starting from: $49.99
New
Voidspec ACRD15 AR-15 active cam reset device with 3-position safety selector compatibility

Voidspec AR-15 Active Cam Reset Device + 3-Position Safety Selector

MSRP: $220.00
$199.00
On-Sale
New
Atrius Development 3 Position Mil-Spec Style Super Selector Safety

Atrius Development 3 Position Mil-Spec Style Super Selector Safety

Save 30%
MSRP: $199.00
$139.95
New
Dogwood Armory KRISS VECTOR 9mm 3 Position Forced Reset System

Dogwood Armory KRISS VECTOR 9mm 3 Position Forced Reset System

Starting from: $200.00
New
Breek Arms Plan B HUB ONE Low Profile Universal Suppressor Mount

Breek Arms Plan B HUB ONE Low Profile Universal Suppressor Mount

MSRP: $88.95
$79.95
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Recent Blog Posts

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 [...]

Read More
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
Is a .223 Wylde AR-15 Upper Better Than a 5.56 Upper?
Is a .223 Wylde AR-15 Upper Better Than a 5.56 Upper?

Choosing between a .223 Wylde upper and a 5.56 NATO upper is one of the [...]

Read More
06
Jul