Loading...

Build log

Untitled build

Nothing logged yet

Add a part, run a search or compare two products and it shows up here.

0 entries

Loading...

Build an AR

AR-155.56, .223 Wylde, 300 BLK, 6mm ARC AR-10.308, 7.62 NATO, 6.5 Creedmoor AR-99mm pistol caliber carbines and pistols PistolShort barrel AR-15 with a brace

One builder. Your saved build carries across all four.

Price a build first with the AR Build Cost Calculator ›

All AR-15 parts ›

Rattle Can Your Gun

Rattle Can Your Gun

Paint Planner
Rattle Can Ideas
Leaderboard

Completed Builds

Articles

Topics

Trending Articles
News
AR-15
Pistol
Long Range
Clone Builds
Trending Products
Industry Insights

Popular this week

All articles ›

Gun Laws Ammo Finder Deals

Gun tools

AR Build Cost Calculator
Gun Travel Checker
FRT and Binary Trigger Picker
Glock Red Dot Fit Checker
Buffer Weight Calculator
Barrel and Overall Length Checker
Twist Rate Calculator
Muzzle Thread Checker
Suppressor Mounts (3D)
DI vs Piston (3D)
Upper vs Lower Receiver (3D)
How Muzzle Devices Work (3D)
How a BCG Works (3D)
Buffer Tube and Stock (3D)
How a Charging Handle Works (3D)
How the Gas System Works (3D)
Free Float vs Drop In Handguard (3D)
How Triggers Work (3D)
Glock Size Comparison
P385 Size Comparison
Optic Zero (3D)
Buffer System (3D)
SBR Planner (3D)
Night Vision

All gun tools ›

Brands

All brands

Home/Builds

Completed AR Builds

Completed AR Builds

Popular build styles

AR Pistol builds
11.5" SBR builds
14.5" AR-15 builds
16" AR-15 builds
Recce / DMR AR-15 builds
300 Blackout AR builds
AR-10 builds
AR-9 builds

Plan an AR-15, AR-10 or AR-9 in the AR Builder, with compatibility checks on every slot and real-time pricing.

Start a New AR-15 Build

Showing builds that include Ballistic Advantage Premium Series SPR 6mm ARC AR-15 Barrel - Rifle-Length - 20"

Platform

AR-15

Brand

PSAStag ArmsAero Precision

Caliber

5.56 NATOMulti

Stag Arms 20" build

Stag Arms 20" build

Built by mrbird

As a backup 20"

As a backup 20"

Built by s_orrows93

aero precision 20" build

aero precision 20" build

Built by Meow76

Never miss a great deal

Price drops, brand refreshes and the best deals on parts and ammo, by email. No spam, unsubscribe any time.

Email address

Build

AR-15 Builder
AR-10 Builder
AR-9 Builder
Glock Builder
Ammo Finder
Rattle Can Your Gun
Browse AR-15 Parts
Browse Glock Parts

Explore

Completed Builds
Trending Products
Deals and Price Drops
Brands
Part Compatibility
Ammo Prices
Articles and Guides
Gun Laws by State
Find an FFL
Gun Tools
Home Defense Setup

Company

About
Contact
Advertise With Us
Giveaway

GunPartPicker

Plan an AR-15, AR-10, AR-9 or Glock build, check compatibility, and compare parts and ammo prices across 35+ retailers.

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. You are responsible for ensuring builds and purchases comply with federal, state, and local law, including the National Firearms Act. This tool is for informational purposes only and is not legal, gunsmithing, or safety advice.

Terms
Privacy
Shipping
Affiliate Disclosure
Giveaway Terms
3D Model Credits

© 2026 GunPartPicker. All rights reserved.

Copying, scraping or cloning GunPartPicker data or features with AI agents, scripts or bots is prohibited by our Terms. Automated sessions are detected and logged.