Compared on builder picks, today's prices and specs.
Our pick: the builders' favorite

Builders pick it 1.9 to 1 over the TacFire Maximize Your 's Potential.
$230.95at Optics Planet, in stock
Builders pick the Midwest Industries Quad Rail 1.9 to 1 over the TacFire Maximize Your 's Potential. It is in 9.7% of GunPartPicker builds that have a handguard, against 5.2% for the TacFire Maximize Your 's Potential. It costs $189 more today ($230.95 against $42.20), so the TacFire Maximize Your 's Potential is the value pick if price comes first.
5 stores we track have the Midwest Industries Quad Rail in stock. Builders paid a median $209.95 for it when they added it, against $42.00 for the TacFire Maximize Your 's Potential. On paper they differ on mounting interface (Picatinny against M-LOK). It is most often built with the Bravo Company Mfg Upper Receiver and the Bravo Company Bolt Carrier Group.
Builders pick the Midwest Industries Quad Rail 1.9 to 1.
Shares come from GunPartPicker's build data: real parts lists people put together while planning a purchase, not sales. Slot share is the share of builds with a handguard that chose this one. Median paid is the price shown when builders picked it, not today's price; the table below has today's prices.
| Spec | ![]() | ![]() |
|---|---|---|
| Lowest in stock | $42.20BattleHawk Armory | $230.95Optics Planet |
| Stores in stock | 5 | 5 |
| Handguard Length | 15 | 15 |
| Platform | AR-15 | AR-15 |
| Mounting Interface | M-LOK | Picatinny |
| Gas System Length | Not listed | Rifle |
| Construction Type | Not listed | Free-Float |
| Color | Black | Black |
| Weight | Not listed | 17 |
| Actions |
Every store we track for each part, cheapest in stock first. Prices are checked through the day.