Builds/Barrels
AR builds with Proof Research barrels
These are the parts builders picked most often in builds with Proof Research barrels finished on GunPartPicker. At today's lowest prices the median parts list comes to $3,851, and most land between $2,273 and $8,840. The most common caliber is .223 Wylde.
Median parts total
$3,851
Typical range
$2,273 to $8,840
Top caliber
.223 Wylde
Most chosen parts in builds with Proof Research barrels
- Upper Receiver11%Bravo Company Mfg Upper Receiver Assembly
- Lower Receiver5%LMT MARS-LS PDW Complete Ambidextrous AR-15 Lower Receiver
- Handguard4%Geissele MRGG 6.5 CM 16" Pic Rail DDC
- Bolt Carrier Group9%Bravo Company M16 Bolt Carrier Group Black
- Trigger13%Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
- Charging Handle19%Radian Raptor Charging Handle & Talon Safety Selector Combo
- Muzzle Device5%Fortis Control 300 Black Muzzle Brake 5/8x24
- Gas Block21%Strike Industries Collar Adjustable Gas Block
- Stock8%Daniel Defense Collapsible Mil-Spec Buttstock
- Buffer13%Geissele Automatics Super 42 Braided Buffer Spring and H3
- Pistol Grip7%Magpul MOE K2 Grip Polymer Gray
- Optic13%EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight
| Slot | Most chosen | Share |
|---|---|---|
| Upper Receiver | Bravo Company Mfg Upper Receiver Assemblybuilds | 11% |
| Lower Receiver | LMT MARS-LS PDW Complete Ambidextrous AR-15 Lower Receiverbuilds | 5% |
| Handguard | Geissele MRGG 6.5 CM 16" Pic Rail DDC | 4% |
| Bolt Carrier Group | Bravo Company M16 Bolt Carrier Group Blackbuilds | 9% |
| Trigger | Geissele Automatics AR-15 SSA-E X Lightning Bow Triggerbuilds | 13% |
| Charging Handle | Radian Raptor Charging Handle & Talon Safety Selector Combobuilds | 19% |
| Muzzle Device | Fortis Control 300 Black Muzzle Brake 5/8x24builds | 5% |
| Gas Block | Strike Industries Collar Adjustable Gas Blockbuilds | 21% |
| Stock | Daniel Defense Collapsible Mil-Spec Buttstockbuilds | 8% |
| Buffer | Geissele Automatics Super 42 Braided Buffer Spring and H3builds | 13% |
| Pistol Grip | Magpul MOE K2 Grip Polymer Graybuilds | 7% |
| Optic | EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sightbuilds | 13% |
Brands these builds pair with
Frequently asked questions
How much does a build with Proof Research barrels cost?
The median parts list is $3,851, with most between $2,273 and $8,840, using each part's lowest in stock price today. Open any part for store by store prices.
What parts go with Proof Research barrels?
Bravo Company Mfg Upper Receiver Assembly is the most chosen upper receiver (11% of builds with one); LMT MARS-LS PDW Complete Ambidextrous AR-15 Lower Receiver is the most chosen lower receiver (5% of builds with one); Geissele MRGG 6.5 CM 16" Pic Rail DDC is the most chosen handguard (4% of builds with one); Bravo Company M16 Bolt Carrier Group Black is the most chosen bolt carrier group (9% of builds with one).
What calibers do builds with Proof Research barrels use?
Most run .223 Wylde (35%), .308 Win (28%), 6mm ARC (21%), 6.5 Creedmoor (9%).
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.