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

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Deals Depot

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

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SB Tactical SBA6 black brace bundled with BRD mil-spec carbine buffer kit and 31-piece AR-15 lower parts kit

SB Tactical SBA6 Lower Build Kit – Black

Save 55%
MSRP: $243.95
$109.95
On-Sale
New
SB Tactical SBA5 black brace bundled with BRD mil-spec carbine buffer kit and 31-piece AR-15 lower parts kit

SB Tactical SBA5 Lower Build Kit – Black

Save 55%
MSRP: $243.95
$109.95
On-Sale
New
Comstock Armory Compact 9mm Facemount Flash Hider - M14x1LH

Comstock Armory Compact 9mm Facemount Flash Hider – M14x1LH

Save 27%
MSRP: $75.00
$54.95
On-Sale
New
Comstock Armory Compact 9mm Muzzle Brake - 5/8x24

Comstock Armory Compact 9mm Muzzle Brake – 5/8×24

Save 20%
MSRP: $69.00
$54.95
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New
Comstock Armory Low Profile Rearden/Plan-B Titanium Extended Suppressor Adapter

Comstock Armory Low Profile Rearden/Plan-B Titanium Extended Suppressor Adapter

Save 24%
MSRP: $119.00
$89.95
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New
Comstock Armory Full Size 9mm Flash Hider - 1/2x28

Comstock Armory Full Size 9mm Flash Hider – 1/2×28

Save 27%
MSRP: $75.00
$54.95
On-Sale
New
Dogwood Armory Aluminum G Spot V2 Forced Reset Trigger - Silver/Flat

Dogwood Armory Aluminum G Spot V2 Forced Reset Trigger – Silver/Flat

Save 38%
$49.95
On-Sale
New
Comstock Armory Compact 9mm Muzzle Brake - 1/2x36

Comstock Armory Compact 9mm Muzzle Brake – 1/2×36

Save 20%
MSRP: $69.00
$54.95
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New
Dogwood Armory Aluminum G Spot V2 Forced Reset Trigger - Black/Curved

Dogwood Armory Aluminum G Spot V2 Forced Reset Trigger – Black/Curved

Save 38%
$49.95
On-Sale
New
Dogwood Armory Aluminum G Spot V2 Forced Reset Trigger - Silver/Curved

Dogwood Armory Aluminum G Spot V2 Forced Reset Trigger – Silver/Curved

Save 17%
$49.95
On-Sale
THRiL PMX SM9 Magazine MPX-Compatible 9mm 35rd

THRiL PMX SM9 Magazine MPX-Compatible 9mm 35rd

Starting from: $25.95
On-Sale
THRiL CCS Combat Competition Stock, AR-15 Collapsible

THRiL CCS Combat Competition Stock, AR-15 Collapsible

Starting from: $39.95
On-Sale
Daydream Defense Stubby Broomstick Grip M-LOK - Black

Daydream Defense Stubby Broomstick Grip M-LOK – Black

Save 40%
$19.95
On-Sale
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
Dogwood Armory Taurus TX22 Forced Reset Trigger

Dogwood Armory Taurus TX22 Forced Reset Trigger

Save 67%
$19.95
On-Sale
Dogwood Armory Aluminum G Spot V2 Forced Reset Trigger - Black/Flat

Dogwood Armory Aluminum G Spot V2 Forced Reset Trigger – Black/Flat

Save 17%
$49.95
On-Sale
Ballistic Advantage 11" 9MM Modern EPC Series AR-15 Barrel 1:10 Twist

Ballistic Advantage 11″ 9MM Modern EPC Series AR-15 Barrel 1:10 Twist

Save 33%
MSRP: $135.00
$89.95
On-Sale
Ballistic Advantage 11" 9mm Modern Series Barrel

Ballistic Advantage 11″ 9mm Modern Series Barrel

Save 33%
MSRP: $135.00
$89.95
On-Sale
Dirty Bird 2-Stage Trigger Group

Dirty Bird 2-Stage Trigger Group

Starting from: $69.95
On-Sale
C Products Defense Duramag 5.56 30 Round Aluminum Magazine

C Products Defense Duramag 5.56 30 Round Aluminum Magazine

Starting from: $12.95
On-Sale
Aim Sports A2 Muzzle Brake

Aim Sports A2 Muzzle Brake

Save 28%
MSRP: $10.99
$7.95
On-Sale
Vortex Crossfire 3-9x40
Out of stock

Vortex Crossfire 3-9×40

Starting from: $89.95
On-Sale
KAK Industry 1/2-28 Compensator

KAK Industry 1/2-28 Compensator

Save 29%
MSRP: $14.00
$9.95
On-Sale
KCI AR-15 .223 / 5.56mm 100-Round Gen 2 Drum Magazine

KCI AR-15 .223 / 5.56mm 100-Round Gen 2 Drum Magazine

Save 40%
MSRP: $199.99
$119.95
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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

18 Products

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

449 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
Black Nitride Gas Tube

Black Nitride Gas Tube

MSRP: $18.95
Starting from: $13.95
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
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
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Recent Blog Posts

AR-15 Rifle Kit vs Factory AR-15 Rifle
AR-15 Rifle Kit vs Factory AR-15 Rifle

Buying your first AR-15 brings up an important question almost immediately: should you buy a [...]

Read More
11
Sep
AR-15 Lower Parts Kit vs. Lower Build Kit: What’s the Difference?
AR-15 Lower Parts Kit vs. Lower Build Kit: What’s the Difference?

Building an AR-15 lower receiver requires several components that work together as one complete system. [...]

Read More
09
Sep
AR-15 Barrel Gas Systems: Carbine vs. Mid-Length vs. Rifle-Length
AR-15 Barrel Gas Systems: Carbine vs. Mid-Length vs. Rifle-Length

Choosing between carbine, mid-length, and rifle-length gas systems starts with understanding the AR-15 barrel itself. [...]

Read More
07
Sep
Premium vs. Budget AR-15 BCG: Is a More Expensive Bolt Carrier Group Worth It in 2026?
Premium vs. Budget AR-15 BCG: Is a More Expensive Bolt Carrier Group Worth It in 2026?

The bolt carrier group is one of the hardest-working assemblies inside an AR-15. Every time [...]

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04
Sep
AR-15 Forced Reset Triggers: Legal Status, How They Work & Buying Guide (2026)
AR-15 Forced Reset Triggers: Legal Status, How They Work & Buying Guide (2026)

The Forced Reset Trigger has become one of the most discussed AR-15 fire-control technologies in [...]

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02
Sep
Is a Premium AR-15 Complete Upper Worth It?
Is a Premium AR-15 Complete Upper Worth It?

When shopping for a complete upper, prices can range from a few hundred dollars to well [...]

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31
Aug