Details
Davidson Defense Suppressor Ready AR-45 Complete Upper Build
This suppressor ready upper receiver assembly delivers a compact 5-inch .45 ACP configuration built for pistol caliber carbine platforms. The complete upper includes a 4150 CrMoV barrel, PCC bolt carrier group, charging handle, and freefloat M-Lok handguard. Everything is ready to attach to a compatible lower receiver.
Key Features
- 5-inch .45 ACP barrel with 1:16 twist rate and suppressor ready threading
- 4150 CrMoV steel barrel with phosphate finish and slim profile
- Freefloat M-Lok handguard for accessory mounting flexibility
- PCC bolt carrier group in 9310 alloy steel with nitride finish
- 6061-T6 aluminum upper receiver with hardcoat anodized finish
- AR-15 M4 charging handle included
Perfect For
- Pistol caliber carbine builders seeking suppressor compatibility
- Shooters building compact .45 ACP platforms
- Users prioritizing freefloat accuracy and accessory mounting
- Builders looking for complete upper assemblies without lower receiver assembly
Suppressor Ready Configuration
This upper is threaded and ready for suppressor mounting on compatible .45 ACP systems. The 5-inch barrel length pairs with suppressor use for reduced report in pistol caliber applications. Verify suppressor compatibility with your specific lower receiver and ammunition configuration before use.
Complete Upper Assembly Details
The upper receiver is machined from 6061-T6 aluminum and finished with. Type 3 Class 2 hardcoat anodizing for durability. The barrel is parkerized 4150 CrMoV steel with a slim profile and 1:16 twist rate optimized for .45 ACP projectiles. The PCC bolt carrier group is manufactured from 9310 alloy steel with nitride finish for reliability in blowback operation.
M-Lok Handguard System
The 4-inch aluminum freefloat handguard uses M-Lok slot mounting for accessory compatibility. Freefloat design isolates the barrel from handguard contact, supporting consistent performance. The handguard provides ergonomic support and rail space for lights, grips, and other tactical accessories.
Included Components
This complete upper build includes the upper receiver, barrel, bolt carrier group, charging handle, and handguard. The assembly does not include a lower receiver, magazine, or ammunition. All components are pre-assembled and ready to attach to a compatible AR-45 lower receiver.
May dropship from Davidson Defense. Follow safe handling and manufacturer instructions. Ensure compliance with all applicable laws. Verify suppressor compatibility before mounting. Ensure secure mounting and safe handling of any suppressor.
