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
Ammunition
Ammunition
Glock Parts & Kits
Glock Parts & Kits

Popular Brands

  • Magpul
  • Strike Industries
  • Daniel Defense
  • Sons of Liberty Gun Works
  • Aero Precision
  • Dirty Bird Industries

Deals Depot

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

On-Sale
New
AR-15 Minimalist M-LOK Free-Float Handguard

AR-15 Minimalist M-LOK Free-Float Handguard

Save 11 – 50%
MSRP: $59.95 – $89.95
Price range: $39.95 through $79.95
On-Sale
Mars Trigger AK-47 FRT Parts Kit

Mars Trigger AK-47 FRT Parts Kit

Save 40%
MSRP: $199.95
Original price was: $169.95.Current price is: $119.95.
On-Sale
Rise Armament RAVE 140 red flat drop-in trigger with AR-15 lower parts kit and pins

Rise Armament RAVE 140 Red Drop-in Trigger + LPK – Flat

Save 27%
MSRP: $178.99
Original price was: $149.99.Current price is: $129.95.
On-Sale
Rise Armament RAVE 140 Red Drop-in Trigger + LPK - Curved

Rise Armament RAVE 140 Red Drop-in Trigger + LPK – Curved

Save 22%
MSRP: $178.99
Original price was: $149.99.Current price is: $139.95.
On-Sale
Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56

Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56

Save 10 – 34%
MSRP: $149.95 – $181.95
Price range: $119.95 through $159.95
On-Sale
Presma AR-15 Ambidextrous Charging Handle

Presma AR-15 Ambidextrous Charging Handle

Save 14 – 41%
MSRP: $26.95 – $28.95
Price range: $15.95 through $24.95
On-Sale
Magpul AR-15/10 MOE PR Mil-Spec Carbine Stock

Magpul AR-15/10 MOE PR Mil-Spec Carbine Stock

Save 5 – 18%
MSRP: $44.95
Price range: $36.95 through $42.70
On-Sale
A2 Style AR-15 Lower Build Kit

A2 Style AR-15 Lower Build Kit

Save 30%
MSRP: $128.95
Original price was: $104.95.Current price is: $89.95.
On-Sale
JE4 AR-15 Lower Build Kit

JE4 AR-15 Lower Build Kit

Save 54%
MSRP: $129.95
Original price was: $84.95.Current price is: $59.95.
On-Sale
Black Rifle Depot Omega AR 15 Lower Build Kit

Omega AR-15 Lower Build Kit

Save 46%
MSRP: $129.95
Original price was: $84.95.Current price is: $69.95.
On-Sale
TRINITY FORCE Pistol Lower Build Kit For AR 15, AR 15 Lower Build Kit, AR 15 Lower Kit, AR15 Lower Build Kit, AR 15 Lower Parts, AR 15 Lower Receiver Parts, AR15 Kit, AR 15 Kit, Best AR 15 Lower Build Kit, American Made AR 15 Lower Build kit, AR 15 Parts, AR15 Parts, AR Parts

Pistol Lower Build Kit for AR-15

Save 45%
MSRP: $109.90
Original price was: $69.95.Current price is: $59.95.
On-Sale
Sopmod AR-15 Lower Build Kit

SOPMOD AR-15 Lower Build Kit

Save 58%
MSRP: $164.95
Original price was: $99.95.Current price is: $69.95.
On-Sale
AR 15 Lower Build Kit

AR 15 Lower Build Kit

Save 55%
MSRP: $109.95
Original price was: $74.95.Current price is: $49.95.
On-Sale
Dirty Bird Industries Sand-Cut Bolt Carrier Group .223/5.56

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

Save 9 – 26%
MSRP: $154.95 – $174.95
Price range: $129.95 through $159.95
On-Sale
Unrivaled Armory 2-Stage Dead Blow Duty Buffer System

Unrivaled Armory 2-Stage Dead Blow Duty Buffer System

Original price was: $179.00.Current price is: $149.95.
On-Sale
Ballistic Advantage 8" 5.56 NATO Modern Series Barrel

Ballistic Advantage 8″ 5.56 NATO Modern Series Barrel

Save 58%
MSRP: $120.00
Original price was: $114.00.Current price is: $49.95.
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 17%
MSRP: $302.00
Original price was: $278.00.Current price is: $249.95.
On-Sale
Global Ordnance 9mm 33rd Steel Magazine for Glocks

Global Ordnance 9mm 33rd Steel Magazine for Glocks

Original price was: $12.99.Current price is: $11.95.
On-Sale
Rise Armament Blitz AR 15 Drop In Trigger - Rise Red

Rise Armament Blitz AR 15 Drop In Trigger – Rise Red

Save 38%
MSRP: $209.99
Original price was: $199.99.Current price is: $129.95.
On-Sale
Geissele Automatics 2 Stage Trigger

Geissele Automatics 2 Stage Trigger

Original price was: $175.00.Current price is: $149.95.
On-Sale
Magpul Industries Magpul BAD Lever - AR 15

Magpul B.A.D. Lever – AR 15

Save 15%
MSRP: $32.95
Original price was: $31.30.Current price is: $27.95.
On-Sale
RISE ARMAMENT Rise Armament Blitz AR 15 Drop In Trigger, AR 15 Drop In Trigger, AR 15 Trigger, AR 15 Parts, AR 15 Lower Parts, AR15 Parts, AR 15 Accessories

Rise Armament Blitz AR 15 Drop In Trigger

Save 38%
MSRP: $209.99
Original price was: $199.99.Current price is: $129.95.
On-Sale
VISM Upper Receiver Block

VISM Upper Receiver Block

Save 32%
MSRP: $43.99
Original price was: $36.99.Current price is: $29.95.
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
Original price was: $40.95.Current price is: $29.95.
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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

438 Products

Bestselling AR-15 Parts

AR 15 Lower Parts Kit

AR 15 Lower Parts Kit

Save 36%
MSRP: $69.95
$44.95
AR 15 Carbine Buffer Tube Kit

AR 15 Carbine Buffer Tube Kit

Save 38%
MSRP: $39.95
$24.95
BLACK RIFLE DEPOT AR 15 Trigger, AR 15 lower parts

AR 15 Mil-Spec Trigger

Save 31%
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

Save 27%
MSRP: $25.95
$18.95
Global Ordnance 5.56/.223 AR-15 30rd Steel Magazine - Black

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

Save 9%
MSRP: $10.99
$9.99
AR-15 Fire Control Group Trigger and Hammer

AR 15 Fire Control Group (Trigger & Hammer)

Save 17%
MSRP: $29.95
$24.95
AR Tactical Grip with Storage

AR Tactical Grip with Storage

Save 9 – 10%
MSRP: $9.95 – $10.99
Price range: $8.95 through $9.95
OEM AR 15 Charging Handle

AR 15 Charging Handle

Save 15%
MSRP: $19.95
$16.95
View All Best Sellers

Bestselling Optics & Red Dots

Vortex Defender-ST Micro Red Dot

Vortex Defender-ST Micro Red Dot

Save 33%
MSRP: $449.99
$299.99
New
Holosun ARO Advanced Rifle Enclosed Sight

Holosun ARO Advanced Rifle Enclosed Sight

Save 15%
MSRP: $188.22 – $247.05
Price range: $159.99 through $209.99
Vortex Defender-XL Micro 3 MOA Green Dot

Vortex Defender-XL Micro 3 MOA Green Dot

Save 33%
MSRP: $599.99
$399.99
Vortex Strikefire II Red Dot Sight

Vortex Strikefire II Red Dot Sight

Save 27%
MSRP: $274.99
$199.99
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

Save 11%
MSRP: $505.87
$449.95
New
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 7%
MSRP: $449.95
$418.99
Holosun SCRS Solar Charging Rifle Sight

Holosun SCRS Solar Charging Rifle Sight

Save 15%
MSRP: $270.58 – $352.93
Price range: $229.99 through $299.99
New
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 7%
MSRP: $436.95
$404.95
Vortex Venom 1-6×24 SFP 30mm Rifle Scope - AR-BDC3 Reticle

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

Save 33%
MSRP: $449.99
$299.99
Vortex Defender-ST Micro Red Dot

Vortex Defender-ST Micro Red Dot

Save 33%
MSRP: $449.99
$299.99
Vortex Sonora 4-12x44 SFP Rifle Scope - Dead Hold BDC Reticle

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

Save 29%
MSRP: $209.99
$149.99
New
Holosun ARO Advanced Rifle Enclosed Sight

Holosun ARO Advanced Rifle Enclosed Sight

Save 15%
MSRP: $188.22 – $247.05
Price range: $159.99 through $209.99
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

Save 30%
MSRP: $114.99
$80.50
Vortex Defender-XL Micro 3 MOA Green Dot

Vortex Defender-XL Micro 3 MOA Green Dot

Save 33%
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

Save 11%
MSRP: $505.87
$449.95
Vortex Strikefire II Red Dot Sight

Vortex Strikefire II Red Dot Sight

Save 27%
MSRP: $274.99
$199.99
View All Optics & Sights

Just Added

New
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 7%
MSRP: $449.95
$418.99
New
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 7%
MSRP: $484.95
$448.99
New
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 7%
MSRP: $436.95
$404.95
New
PWS Enhanced Steel Body Buffer Carbine H2 4.4 oz.

PWS Enhanced Steel Body Buffer Carbine H2 4.4 oz.

Save 20%
MSRP: $49.95
$39.95
New
Magpul QDM quick disconnect sling swivel for 1.25 inch webbing with Melonite steel construction

Magpul QDM – Quick Disconnect Swivel

Save 5%
MSRP: $29.95
$28.45
New
Sons of Liberty Gun Works Enhanced Blaster Guts Kit lower parts kit for AR-15 rifles

Sons of Liberty Gun Works Enhanced Blaster Guts Kit

$150.00
New
7.5 inch 300 BLK AR-15 barrel with parkerized finish and pistol-length gas system

7.5″ 300 BLK 1:7 Pistol Length Parkerized Barrel

Save 22%
MSRP: $89.95
$69.95
New
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 17%
MSRP: $179.95
$149.95
New
20 inch .223 Wylde AR-15 stainless heavy barrel with 1:8 twist and rifle-length gas system

20″ .223 Wylde 1:8 Twist Stainless Heavy Rifle Barrel

Save 18%
MSRP: $169.95
$139.95
New
18 inch .223 Wylde AR-15 stainless heavy barrel with 1:8 twist and midlength gas system

18″ .223 Wylde 1:8 Twist Stainless Heavy Midlength Barrel

Save 19%
MSRP: $159.95
$129.95
New
20 inch .223 Wylde straight fluted AR-15 rifle barrel with parkerized finish and rifle-length gas system

20″ .223 Wylde 1:8 Twist Parkerized Straight Fluted Rifle Barrel

Save 18%
MSRP: $169.95
$139.95
New
20 inch .223 Wylde AR-15 rifle barrel with black nitride finish and rifle-length gas system

20″ .223 Wylde 1:8 Twist Black Nitride Government Rifle Barrel

Save 25%
MSRP: $159.95
$119.95
View All Recently Added Products

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9mm Luger Ammo: What It Is, How It Compares, and What to Buy

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Who Makes the Best Quality AR-15 Lower Parts Kit?

A quality Lower Parts Kit can make or break the feel of your AR-15 build. [...]

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26
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AR-15 Optics: Red Dot vs LPVO vs Scope — Which Should You Buy?
AR-15 Optics: Red Dot vs LPVO vs Scope — Which Should You Buy?

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AR-15 Handguards: M-LOK vs KeyMod vs Quad Rail: Which Should You Buy?
AR-15 Handguards: M-LOK vs KeyMod vs Quad Rail: Which Should You Buy?

The right AR-15 handguard does more than change how your rifle looks. It affects comfort, [...]

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20
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Choosing the best AR-15 Scopes in 2026 comes down to how you use your rifle. [...]

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