

Click to see full view
New Frontier Armory
Overview
The New Frontier Armory C-9 Slick Side Upper Receiver is a complete assembly designed specifically for the AR-9 platform, allowing you to build a 9mm carbine with ease. The slick side design provides a streamlined profile, eliminating the forward-assist feature for a cleaner look and reduced weight, which can enhance the overall handling of your rifle. Builders often incorporate this upper receiver in 9mm configurations, making it a popular choice for those looking to create a compact and efficient firearm.
New Frontier Armory C-9 Slick Side 9mm AR-15 Upper Receiver - Bho Included
No Available merchants at this time.
New Frontier Armory C-9 Slick Side 9mm AR-15 Upper Receiver - Bho Included ranked #360 of the 844 upper receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #1240 of the 2,068 upper receivers builders have added.
Updated · from real builds on GunPartPicker
We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Check it against the live catalog:
The part most often added in each category by the builds that include this one

Unity Tactical TAPS - Surefire / Laser - 9" - Black

Magpul RVG Rail Vertical Grip - Olive Drab Green

SureFire X400 Ultra 1,000 Lumen Weaponlight with Red Laser

Battle Arms Development Rack Ambidextrous AR-15 Charging Handle - Mod C

Foxtrot Mike Products Complete FM9 Premium 9mm AR-15 Lower Receiver

Rise Armament Super Sporting AR15/10 Single Stage Trigger - Flat - Dtom Special Edition
Builds in the community that include the New Frontier Armory C-9 Slick Side 9mm Ar-15 Upper Receiver - Bho Included
| Build | Parts | Total |
|---|---|---|
![]() | 27 | $4283.60 |
No reviews yet. Be the first to review this product!