Completed AR Builds

$1337.01

11.5" PSA pistol

$1539.30

Aero precision 11.5" 5.56

$971.33

BCM 14.5" build

$1136.94

Spike's tactical 16" 5.56

$5346.48

LMT 8.2" 300 Blackout

$3250.38

As a truck gun 30"

$657.06

16"

$851.63

For hunting hogs 15"

3/8/2026

$1879.26

Hog hunter 10.5" 5.56

$1949.49

for nothing in particular 16"

$1417.96

4"

$2160.33

aero precision 16"

$5178.74

16.5" 5.56

$2174.33

for the range mostly 8.2"

$1994.37

16" wilson combat SBR

$1286.94

PSA 16" 5.56

$1362.87

New build

$1739.10

18" build

$1261.62

as a backup 18"

$3241.41

Truck gun 20"

$1836.92

New 5.56 build

$981.35

harrington & richardson 16" build

$2455.18

Backup 5.56 build

$2226.00

For hd 16"

3/6/2026

$1256.81

Truck gun 16" 5.56

$2666.84

For the range 16"

16" build

$692.40

10.5" 5.56

$2452.06

14.5" build

$562.86

Lantac 16" build

$1764.19

Radian Weapons 18" build

$3478.83

Ballistic Advantage 16" 5.56

$1661.67

Backup 9mm build

$567.47

for hd 16"

$1512.86

First 5.56 build

$798.19

BF3 M16A3 by Agent Espo

$1460.59

Yankee Hill Machine 8"

$6777.90

16" build

6" build

$1040.93

12.5" aero precision SBR

$972.21

Aero Precision 30" build

$1310.13

Wilson combat 16" build

$1497.65

DMR 14.5"

$2677.70

14.5" build

$1054.93

Vltor 16.5"

$716.63

for hog hunting 16"

$4224.92

for 2 gun 15"

5.56 NATO .223 Rem .308 Win 9mm .300 Blackout 7.62x39mm .45 ACP 12 Gauge

$759.23

← Prev 1…5 678 9…23 Next →

GunPartPicker

A trusted place to aggregate AR platform parts, check compatibility, and compare pricing.

Account

Loading...

Policies

Terms of Service
Privacy Policy
Shipping Policy
Affiliate Disclosure
Giveaway Terms

Company

About
Contact Us

GunPartPicker is an independent parts-compatibility, price-comparison, and aggregator utility. We do not sell, manufacture, warehouse, or ship firearms, ammunition, or regulated accessories. All purchases are between you and the third-party retailer. Users are responsible for ensuring all builds and purchases comply with federal, state, and local laws, including the National Firearms Act (NFA) and any applicable state regulations. This tool is for informational and educational purposes only and does not constitute legal, gunsmithing, or safety advice.

Loading...

SparkyDEV

Ask anything

Search products, compare prices, build a rifle.

⚠️ AI can make mistakes — double-check part compatibility in the AR Builder before buying.

Want feedback on your build? Share it on Reddit →

Sparky is in beta. Conversations are logged.

GunPartPicker

Loading...

AR15 Builder

Complete Rifle

Upper Receiver

Handguard

Bolt Carrier Group

Lower Receiver

Trigger

Charging Handle

Pistol Grip

Barrels

Barrels

Gas System

Gas Tube
Gas Block

Furniture

Foregrip
Muzzle Devices
Safety
Forward Assist
Dust Cover
Bolt Catch
Magazine Release
Trigger Guard
Takedown Pin

Stock & Buffer Parts

Stock & Pistol Braces
End Plate
Buffer
Buffer Tube Assembly
Buffer Tube
Buffer Spring
Stock Adapter

Accessories

Suppressors
Lights
Lasers
Switches

Optics

Optic
Rifle Scope
Optic Mount
Magnifiers

Sights

Iron Sights
Front Sight
Rear Sight

Ammo Finder

Popular Calibers

All Calibers →

Rifle — Popular

5.56 NATO
.223 Rem
.308 Win
.300 Blackout
6.5 Creedmoor
.30-06 Springfield
.270 Win
7.62x39mm
.300 Win Mag
.243 Win

Rifle — More

.300 WSM
6.5 PRC
.338 Lapua
7mm Rem Mag
7mm PRC
6mm Creedmoor
6mm ARC
6.5 Grendel
6.8 SPC
.350 Legend
.450 Bushmaster
.458 SOCOM
.224 Valkyrie
.22-250 Rem

Rifle — Specialty

.30-30 Win
.45-70 Govt
.204 Ruger
.50 BMG
.303 British
7.62x54R
.338 Federal
8mm Mauser
.30-40 Krag
.22 Creedmoor
5.7x28mm

Handgun

9mm
.45 ACP
.40 S&W
.380 ACP
10mm Auto
.357 Magnum
.38 Special
.357 SIG
.44 Magnum
.44 Special
.45 Colt
.38 Super
.32 ACP
.25 ACP

Shotgun

12 Gauge
20 Gauge
16 Gauge
28 Gauge
.410 Bore

Rimfire

.22 LR
.22 WMR
.17 HMR

Brands Completed Builds Trending Products Guides 🎁 Giveaway

Home/Builds

Completed AR Builds

Use our AR-15 Builder to assemble your perfect rifle with real-time pricing.

Start a New AR-15 Build

Platform

AR-15(1039)AR-9(29)AR-10(3)

Brand

Aero Precision(371)PSA(156)Wilson Combat(73)LMT(56)Yankee Hill Machine(51)Spike's Tactical(47)

Caliber

5.56 NATO(926)300 Blackout(36).223 Wylde(34)Multi(27)9mm(26).300 BLK(3)

Gas System

Carbine(6)Carbine Length(5)Mid-Length(4)Rifle(4)Rifle Length(3)Pistol Length(1)

1,000+ builds · page 7 of 23

14.5" build

$1337.01

11.5" PSA pistol

$1539.30

Aero precision 11.5" 5.56

$971.33

BCM 14.5" build

$1136.94

Spike's tactical 16" 5.56

$5346.48

LMT 8.2" 300 Blackout

$3250.38

As a truck gun 30"

$657.06

16"

$851.63

For hunting hogs 15"

3/8/2026

$1879.26

Hog hunter 10.5" 5.56

$1949.49

for nothing in particular 16"

$1417.96

4"

$2160.33

aero precision 16"

$5178.74

16.5" 5.56

$2174.33

for the range mostly 8.2"

$1994.37

16" wilson combat SBR

$1286.94

PSA 16" 5.56

$1362.87

New build

$1739.10

18" build

$1261.62

as a backup 18"

$3241.41

Truck gun 20"

$1836.92

New 5.56 build

$981.35

harrington & richardson 16" build

$2455.18

Backup 5.56 build

$2226.00

For hd 16"

3/6/2026

$1256.81

Truck gun 16" 5.56

$2666.84

For the range 16"

16" build

$692.40

10.5" 5.56

$2452.06

14.5" build

$562.86

Lantac 16" build

$1764.19

Radian Weapons 18" build

$3478.83

Ballistic Advantage 16" 5.56

$1661.67

Backup 9mm build

$567.47

for hd 16"

$1512.86

First 5.56 build

$798.19

BF3 M16A3 by Agent Espo

$1460.59

Yankee Hill Machine 8"

$6777.90

16" build

6" build

$1040.93

12.5" aero precision SBR

$972.21

Aero Precision 30" build

$1310.13

Wilson combat 16" build

$1497.65

DMR 14.5"

$2677.70

14.5" build

$1054.93

Vltor 16.5"

$716.63

for hog hunting 16"

$4224.92

for 2 gun 15"