PSA Complete Lower 300BO, JAKL, MOE EPT, F5 Brace, FDE
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Palmetto State Armory
Overview
The PSA Complete Lower 300BO is a fully assembled lower receiver designed specifically for the AR-15 platform, optimized for the 300 Blackout caliber. Made from durable 7075-T6 aluminum and featuring a forged construction, this lower is built to withstand the rigors of shooting while providing a solid foundation for your build. With a trigger pin diameter of .154, it is compatible with a wide range of aftermarket triggers. This lower commonly appears in pistol builds, particularly those chambered in 300 Blackout, making it a versatile choice for builders looking to enhance their firearm's capabilities.
Specifications
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Frequently Built With
Based on build data
Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green
Magpul AFG-2 Angled Fore Grip - Black
Midwest Industries Suppressor Series M-Lok Ar-15 Handguard - 10.5"
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger
Faxon Chameleon 5.56 Complete Nitride Bolt Carrier Group - FF556BCGCNITRIDE-NCR
Seekins Precision Stainless Match Grade 300 Blackout Ar-15 Barrel - 10.5"
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
| Product | Category | Times Built Together |
|---|---|---|
| Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green | 3 | |
| Magpul AFG-2 Angled Fore Grip - Black | 2 | |
| Midwest Industries Suppressor Series M-Lok Ar-15 Handguard - 10.5" | 2 | |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 2 | |
| Faxon Chameleon 5.56 Complete Nitride Bolt Carrier Group - FF556BCGCNITRIDE-NCR | 2 | |
| Seekins Precision Stainless Match Grade 300 Blackout Ar-15 Barrel - 10.5" | 1 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 300 Blackout | 100% |
Builds Featuring This Part
See all 1 →Builds in the community that include the PSA Complete Lower 300BO, JAKL, MOE EPT, F5 Brace, FDE
| Build | Parts | Total |
|---|---|---|
 | 8 | $1161.17 |
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