Complete your AR-15 14.5″ pin weld rifle upper
Add a bolt carrier group and charging handle to complete your upper assembly.
- Style
- Bolt Carrier Group Options
- Charging Handle Options
Customize your AR-15 14.5″ pin weld rifle upper
- Handguard Options
- Gas Block Options
Barrel Options - Muzzle Device Options
- Custom Dust Cover Engraving
- Foregrip Options
- Sights / Optics
- Light Options
- Folding Adapter
- Lower Parts?
- Silencer Use?
- Tools / Extras
Product price: $379.00
Order total: $379.00
Free shipping on all orders over $500
Ar-15 Pin Welded Upper Assembly Kit
The MSF 14.5” Pin/weld 5.56/.223 AR-15 rifle upper assembly is designed for those looking to build a custom pin welded AR-15 barrel 14.5 with precision. This pin welded 14.5 AR-15 upper assembly provides the legal length of 16” or greater with the pin welded barrel AR-15 14.5 and is perfect for users who want a high-performance, customizable upper.
14.5″ AR-15 5.56/223 Upper (Legal rifle, 16″+)
- 14.5″ 4150 Chrome Moly (CMV) Barrel
- 1:7 twist.
- M4 feed ramps.
- 5.56 NATO Chamber (shoots both 5.56 and .223).
- Carbine Gas length (or mid if selected).
- .750 Steel Low Profile Gas Block.
- Dust cover, Forward Assist installed.
- Spectre Flash Hider (differs from A2).
- 12″ Free Float M-Lok Handguard
M16 BCG & Charging Handle available in options. This AR-15 14.5″ pin weld rifle comes professionally assembled and ready to go. If you order our BCG, we’ll test fire with that one prior to shipping.
The muzzle device is pinned and welded to make a legal 16”+ upper. This pin welded AR-15 barrel 14.5 configuration meets compliance and ensures you can confidently build your custom AR-15 14.5” pin weld rifle. Contact us for any questions regarding this process.
Assembled, Test-Fired, and QC’d In-House
We assemble everything in-house, completely customized to your order. Our engineers have many years of experience in the industry, making sure that everything that goes out the door is built to the highest standard possible. This ensures every pin welded 14.5 AR-15 upper assembly functions perfectly.
Prior to shipping, we test fire and follow a strict quality control protocol, paying extra attention to the gas system and headspace, ensuring that your AR-15 will function properly and will reliably fire in all cases.
High-Quality Components For Your Ar-15 Pin Welded Upper Assembly Kit
Over the past 10 years, we have carefully refined the parts we use for our AR-15 uppers. We only use high-quality components in our builds that have been sourced from proven manufacturers and OEMs.
We have built tens of thousands of AR-15s, ensuring reliability, durability, and accuracy in all of our products. Our pin welded 14.5 AR-15 upper assembly is no exception, offering excellent performance with 5.56/.223 rifle upper assembly specs.
Limited Lifetime Warranty
We stand behind our products and have a limited lifetime warranty on the uppers that we sell. Our warranty protects against defects in product, material, or workmanship.
If there is an issue, simply contact us, and we will handle it. We will repair/replace items if necessary.