Builds/Optic
AR builds with the SIG Sauer Romeo 5 Gen II Red Dot
These are the parts builders picked most often in builds with the SIG Sauer Romeo 5 Gen II Red Dot finished on GunPartPicker. At today's lowest prices the median parts list comes to $1,489, and most land between $721 and $2,909. The most common caliber is 5.56 NATO.
Median parts total
$1,489
Typical range
$721 to $2,909
Top caliber
5.56 NATO
Most chosen parts in builds with the SIG Sauer Romeo 5 Gen II Red Dot
- Upper Receiver11%Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15
- Lower Receiver12%PSA AR-15 Complete Lower Magpul MOE EPT Edition
- Barrel18%Ballistic Advantage Performance Series 5.56 Hanson
- Handguard13%Midwest Industries Quad Rail AR-15 Handguard
- Bolt Carrier Group24%Bravo Company M16 Bolt Carrier Group Black
- Trigger14%Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
- Charging Handle16%Radian Raptor Slim Line Ambidextrous AR-15 Charging Handle
- Gas Block25%Wilson Combat AR-15 Lo-Profile Gas Block .750" Black
- Stock23%Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
- Buffer22%CMMG AR-15 Carbine Buffer Assembly
- Pistol Grip28%Wilson Combat AR-15 Starburst Gunfighter Pistol Grip Black
- Optic Mount52%Weaver Multi-Slot Base
| Slot | Most chosen | Share |
|---|---|---|
| Upper Receiver | Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15builds | 11% |
| Lower Receiver | PSA AR-15 Complete Lower Magpul MOE EPT Editionbuilds | 12% |
| Barrel | Ballistic Advantage Performance Series 5.56 Hansonbuilds | 18% |
| Handguard | Midwest Industries Quad Rail AR-15 Handguard | 13% |
| Bolt Carrier Group | Bravo Company M16 Bolt Carrier Group Blackbuilds | 24% |
| Trigger | Geissele Automatics AR-15 SSA-E X Lightning Bow Triggerbuilds | 14% |
| Charging Handle | Radian Raptor Slim Line Ambidextrous AR-15 Charging Handlebuilds | 16% |
| Gas Block | Wilson Combat AR-15 Lo-Profile Gas Block .750" Blackbuilds | 25% |
| Stock | Magpul AR-15 MOE Stock Collapsible Mil-Spec Blackbuilds | 23% |
| Buffer | CMMG AR-15 Carbine Buffer Assemblybuilds | 22% |
| Pistol Grip | Wilson Combat AR-15 Starburst Gunfighter Pistol Grip Blackbuilds | 28% |
| Optic Mount | Weaver Multi-Slot Basebuilds | 52% |
Brands these builds pair with
Frequently asked questions
How much does a build with the SIG Sauer Romeo 5 Gen II Red Dot cost?
The median parts list is $1,489, with most between $721 and $2,909, using each part's lowest in stock price today. Open any part for store by store prices.
What parts go with the SIG Sauer Romeo 5 Gen II Red Dot?
Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15 is the most chosen upper receiver (11% of builds with one); PSA AR-15 Complete Lower Magpul MOE EPT Edition is the most chosen lower receiver (12% of builds with one); Ballistic Advantage Performance Series 5.56 Hanson is the most chosen barrel (18% of builds with one); Midwest Industries Quad Rail AR-15 Handguard is the most chosen handguard (13% of builds with one).
What calibers do builds with the SIG Sauer Romeo 5 Gen II Red Dot use?
Most run 5.56 NATO (57%), 300 Blackout (19%), 9mm (4%), .223 Wylde (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.