Builds/Lower Receiver
AR builds with the PSA Complete Lower 300BO
These are the parts builders picked most often in builds with the PSA Complete Lower 300BO finished on GunPartPicker. At today's lowest prices the median parts list comes to $1,162, and most land between $657 and $3,299. The most common caliber is 300 Blackout.
Median parts total
$1,162
Typical range
$657 to $3,299
Top caliber
300 Blackout
Most chosen parts in builds with the PSA Complete Lower 300BO
- Upper Receiver18%PSA 10.5" Pistol Length 300AAC Blackout 1:8 Nitride 9"
- Bolt Carrier Group28%FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVD
- Trigger13%Geissele Automatics AR-15 SSA X Lightning Bow Trigger
- Charging Handle16%Aero Precision AR-15 Breach Charging Handle Ambidextrous
- Stock15%Daniel Defense Collapsible Mil-Spec Buttstock
- Optic15%SIG Sauer Romeo 5XDR Gen II Red Dot Dot
- Optic Mount29%Weaver Multi-Slot Base
- Foregrip37%Magpul AFG-2 Angled Fore Grip
- Suppressor33%SilencerCo Omega 300 Suppressor
- Light50%Streamlight ProTac Rail Mount HL-X Laser 1000 Lumen Weapon
- Iron Sights73%NCSTAR PRO Series Sight Front/Rear Flip Up
| Slot | Most chosen | Share |
|---|---|---|
| Upper Receiver | PSA 10.5" Pistol Length 300AAC Blackout 1:8 Nitride 9"builds | 18% |
| Bolt Carrier Group | FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVDbuilds | 28% |
| Trigger | Geissele Automatics AR-15 SSA X Lightning Bow Triggerbuilds | 13% |
| Charging Handle | Aero Precision AR-15 Breach Charging Handle Ambidextrousbuilds | 16% |
| Stock | Daniel Defense Collapsible Mil-Spec Buttstockbuilds | 15% |
| Optic | SIG Sauer Romeo 5XDR Gen II Red Dot Dotbuilds | 15% |
| Optic Mount | Weaver Multi-Slot Basebuilds | 29% |
| Foregrip | Magpul AFG-2 Angled Fore Gripbuilds | 37% |
| Suppressor | SilencerCo Omega 300 Suppressorbuilds | 33% |
| Light | Streamlight ProTac Rail Mount HL-X Laser 1000 Lumen Weaponbuilds | 50% |
| Iron Sights | NCSTAR PRO Series Sight Front/Rear Flip Upbuilds | 73% |
Brands these builds pair with
Frequently asked questions
How much does a build with the PSA Complete Lower 300BO cost?
The median parts list is $1,162, with most between $657 and $3,299, using each part's lowest in stock price today. Open any part for store by store prices.
What parts go with the PSA Complete Lower 300BO?
PSA 10.5" Pistol Length 300AAC Blackout 1:8 Nitride 9" is the most chosen upper receiver (18% of builds with one); FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVD is the most chosen bolt carrier group (28% of builds with one); Geissele Automatics AR-15 SSA X Lightning Bow Trigger is the most chosen trigger (13% of builds with one); Aero Precision AR-15 Breach Charging Handle Ambidextrous is the most chosen charging handle (16% of builds with one).
What calibers do builds with the PSA Complete Lower 300BO use?
Most run 300 Blackout (97%), 5.56 NATO (3%).
Shares come from builds finished on GunPartPicker. The price range totals a sample of recent builds at each part's lowest in stock price today; open a part for prices at every store. Want your own? Start an AR-15, AR-10 or AR-9 build.