Builds/Lower Receivers
AR builds with FN America lower receivers
These are the parts builders picked most often in builds with FN America lower receivers finished on GunPartPicker. At today's lowest prices the median parts list comes to $3,300, and most land between $1,515 and $5,682. The most common caliber is 5.56 NATO.
Median parts total
$3,300
Typical range
$1,515 to $5,682
Top caliber
5.56 NATO
Most chosen parts in builds with FN America lower receivers
- Upper Receiver14%Bravo Company Mfg Upper Receiver Assembly
- Barrel13%Daniel Defense 14.5" 5.56 NATO CHF Mid-Length 1:7
- Handguard14%Knights Armament M4 Ras Handguard
- Bolt Carrier Group15%Bravo Company M16 Bolt Carrier Group Black
- Trigger22%Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
- Charging Handle15%Radian Raptor Charging Handle & Talon Safety Selector Combo
- Gas Block15%Bravo Company AR-15/M16 .750 Low-Profile Gas Block
- Stock9%B5 Systems Government Issue SOPMOD Stock Collapsible
- Buffer20%CMMG AR-15 Carbine Buffer Assembly
- Pistol Grip16%CMMG AR-15 A2 Pistol Grip
- Optic21%EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight
- Foregrip17%Bravo Company BCM GUNFIGHTER Picatinny Vertical Grip Mod 3
| Slot | Most chosen | Share |
|---|---|---|
| Upper Receiver | Bravo Company Mfg Upper Receiver Assemblybuilds | 14% |
| Barrel | Daniel Defense 14.5" 5.56 NATO CHF Mid-Length 1:7builds | 13% |
| Handguard | Knights Armament M4 Ras Handguard | 14% |
| Bolt Carrier Group | Bravo Company M16 Bolt Carrier Group Blackbuilds | 15% |
| Trigger | Geissele Automatics AR-15 SSA-E X Lightning Bow Triggerbuilds | 22% |
| Charging Handle | Radian Raptor Charging Handle & Talon Safety Selector Combobuilds | 15% |
| Gas Block | Bravo Company AR-15/M16 .750 Low-Profile Gas Blockbuilds | 15% |
| Stock | B5 Systems Government Issue SOPMOD Stock Collapsiblebuilds | 9% |
| Buffer | CMMG AR-15 Carbine Buffer Assemblybuilds | 20% |
| Pistol Grip | CMMG AR-15 A2 Pistol Gripbuilds | 16% |
| Optic | EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sightbuilds | 21% |
| Foregrip | Bravo Company BCM GUNFIGHTER Picatinny Vertical Grip Mod 3builds | 17% |
Brands these builds pair with
Frequently asked questions
How much does a build with FN America lower receivers cost?
The median parts list is $3,300, with most between $1,515 and $5,682, using each part's lowest in stock price today. Open any part for store by store prices.
What parts go with FN America lower receivers?
Bravo Company Mfg Upper Receiver Assembly is the most chosen upper receiver (14% of builds with one); Daniel Defense 14.5" 5.56 NATO CHF Mid-Length 1:7 is the most chosen barrel (13% of builds with one); Knights Armament M4 Ras Handguard is the most chosen handguard (14% of builds with one); Bravo Company M16 Bolt Carrier Group Black is the most chosen bolt carrier group (15% of builds with one).
What calibers do builds with FN America lower receivers use?
Most run 5.56 NATO (75%), 300 Blackout (11%), .223 Wylde (7%), .308 Win (4%).
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.