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...

AR-15 Builder5.56, .223 Wylde, 300 BLK, 6mm ARC AR-10 Builder.308, 7.62 NATO, 6.5 Creedmoor AR-9 Builder9mm pistol caliber carbines and pistols

Glock Builder Ammo Finder

All AR-15 parts ›

Brands Completed Builds Gun Laws Find FFL

Topics

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

Latest

Popular

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 Glock Size Comparison Gun Paint Planner

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

Showing builds that include Brownells BRN-4 BARRELS 5.56X45MM

Platform

AR-15(1)

Brand

Smith & Wesson(1)

Caliber

5.56 NATO(1)

1 build

Smith & wesson 16.5"

Smith & wesson 16.5"

Built by Samuelhoward7772002

Get the best gun deals in your inbox

Price drops on parts and ammo from the retailers we track. No spam, unsubscribe any time.

Email address

Build

AR-15 Builder
Glock Builder
Ammo Finder
Browse AR-15 Parts
Browse Glock Parts

Explore

Completed Builds
Brands
Ammo Prices
Articles and Guides
Gun Laws by State
Find an FFL
Gun Tools

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 nearly 30 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

© 2026 GunPartPicker. All rights reserved.