Builds/Optic
AR builds with the SIG Sauer Romeo MSR Gen II
These are the parts builders picked most often in builds with the SIG Sauer Romeo MSR Gen II finished on GunPartPicker. At today's lowest prices the median parts list comes to $1,984, and most land between $989 and $3,726. The most common caliber is 5.56 NATO.
Median parts total
$1,984
Typical range
$989 to $3,726
Top caliber
5.56 NATO
Most chosen parts in builds with the SIG Sauer Romeo MSR Gen II
- Upper Receiver14%Bravo Company Mfg Upper Receiver Assembly
- Lower Receiver10%Aero Precision Stripped M4E1 AR-15 Lower Receiver
- Barrel25%Rosco Manufacturing Bloodline 5.56 AR-15 Barrel M4 Carbine
- Handguard25%Midwest Industries Suppressor Series M-LOK AR-15 Handguard
- Bolt Carrier Group19%Bravo Company M16 Bolt Carrier Group Black
- Trigger13%Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
- Charging Handle15%Aero Precision AR-15 Breach Charging Handle Ambidextrous
- Muzzle Device29%Zaffiri Precision Blowhole Compensator Fits Glock
- Gas Block40%Strike Industries Collar Adjustable Gas Block
- Stock16%Magpul AR-15 CTR Stock Collapsible Mil-Spec Black
- Buffer33%Spike's Tactical Spikes Tactical T3 Tungsten Buffer
- Pistol Grip18%Bravo Company Mfg Mod 1 Pistol Grip for AR-15 Rifle
| Slot | Most chosen | Share |
|---|---|---|
| Upper Receiver | Bravo Company Mfg Upper Receiver Assemblybuilds | 14% |
| Lower Receiver | Aero Precision Stripped M4E1 AR-15 Lower Receiverbuilds | 10% |
| Barrel | Rosco Manufacturing Bloodline 5.56 AR-15 Barrel M4 Carbinebuilds | 25% |
| Handguard | Midwest Industries Suppressor Series M-LOK AR-15 Handguardbuilds | 25% |
| Bolt Carrier Group | Bravo Company M16 Bolt Carrier Group Blackbuilds | 19% |
| Trigger | Geissele Automatics AR-15 SSA-E X Lightning Bow Triggerbuilds | 13% |
| Charging Handle | Aero Precision AR-15 Breach Charging Handle Ambidextrousbuilds | 15% |
| Muzzle Device | Zaffiri Precision Blowhole Compensator Fits Glock | 29% |
| Gas Block | Strike Industries Collar Adjustable Gas Blockbuilds | 40% |
| Stock | Magpul AR-15 CTR Stock Collapsible Mil-Spec Blackbuilds | 16% |
| Buffer | Spike's Tactical Spikes Tactical T3 Tungsten Bufferbuilds | 33% |
| Pistol Grip | Bravo Company Mfg Mod 1 Pistol Grip for AR-15 Riflebuilds | 18% |
Brands these builds pair with
Frequently asked questions
How much does a build with the SIG Sauer Romeo MSR Gen II cost?
The median parts list is $1,984, with most between $989 and $3,726, 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 MSR Gen II?
Bravo Company Mfg Upper Receiver Assembly is the most chosen upper receiver (14% of builds with one); Aero Precision Stripped M4E1 AR-15 Lower Receiver is the most chosen lower receiver (10% of builds with one); Rosco Manufacturing Bloodline 5.56 AR-15 Barrel M4 Carbine is the most chosen barrel (25% of builds with one); Midwest Industries Suppressor Series M-LOK AR-15 Handguard is the most chosen handguard (25% of builds with one).
What calibers do builds with the SIG Sauer Romeo MSR Gen II use?
Most run 5.56 NATO (76%), 300 Blackout (10%), .223 Wylde (3%), 6mm ARC (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.