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Lantac USC Side Charge Billet Upper Receiver AR15 AR-15
Lantac USC Side Charge Billet Upper Receiver AR15 AR-15

Lantac USC Side Charge Billet Upper Receiver AR15 AR-15

Part Number:LA00270
On sale: $175.95
Retail Price:$199.95
You Save:$24.00(12%)
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Lantac USC Side Charge Billet Upper Receiver AR15 AR-15


Lantac USA
M4 Feed Ramps
Anodized Black
Accepts Standard Forward Assist
Accepts Standard Port Cover
Receiver Material: 7075-T6 Aluminum

Start your next build or upgrade your existing set-up with the Lantac USC Side Charger Billet Upper Receiver. The USC upper receiver is precision machined from 7075-T6 aluminum to MIL-SPEC with a deep black hardcoat anodized finish. The ultra-smooth bore helps reduce bolt carrier friction. Includes the CP-R360 Cam Pin that features a unique, domed style head designed to curve away from the receiver’s internal surface and help reduce wear. 

M4 Feed ramps
7075-T6 aluminum
Type III anodized black finish
Included CP-R360 Domed Cam Pin
Weight: 11.3 oz
Made in the U.S.A.

Lantac USA manufactures the highest quality accessories for AR-15/M16 pattern rifles. Precision made in the U.S.A., rifles, muzzle brakes and more.


  1. Bear Creek Gen 2 Enhanced Side Charging Nitrided 9310 Steel M16 Carrier with side staked gas key for enhanced durability. 
  2. Valhalla Tactical Enhanced Side Charger BCG: Our Enhanced Side Charging BCG utilizes many premium upgrades in one complete package. The core or our BCG is a Gen 2 Enhanced Side Charging Nitrided 9310 Steel M16 Carrier with side staked gas key for enhanced durability. ATF approves M16 BCG for usage with semi-automatic rifles. We also install Perma Pins instead of standard cotter pin found in the bolt carrier to retain the firing pin as in original Stoner rifles. The cotter pin is difficult to install at times and is subject to breaking. These pins are a "one and done" solution to a common problem, carry a lifetime warranty, and that's why I believe the  perma-pin is a must have! The bolt is the heart of your weapon system. Our NiBX Bolt is a premium bolt upgrade that offers the highest strength with an easy clean finish.  Adds the benefits of nickel boron while maintaining your dark low profile carrier appearance. M16/AR15 5.56x45/.223/.350 LEGEND/.300BLK Caliber Bolt. This bolt was engineered for NiB-X nickel boron coating to provide long life, ease of cleaning and superior locking and unlocking action with barrel extensions. Carpenter 158 case hardened, shot peened and magnetic particle inspected.  Manufactured to Government drawings.  Mil Spec gas rings. NiB-X coated (40% more wear resistant than Chrome). Extractor – Manufactured, heat treated, hardened, per Government drawings. Black extractor buffer, O-ring, and heavy duty spring. NiB-X coated. Lantac R360 Roller Cam. Cam pin wear is normal for all AR's. The Lantac Brass Finish Roller Cam reduces the wear on your valuable receiver to prolong life while smoothing out the cycling process.

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