Picatinny Rail Adjustable Gas Block, .750
$61.99 at OpticsPlanet · 2 stores
In stock Sale
Best price
$61.75at OpticsPlanet
In stock Sale Lowest in 30 dayschecked Nov 13, 2026
Fits and works with
- Gas block
- 0.75" diameter · Gas blocks
Specifications
- Manufacturer
- Forward Controls Design
- Color
- Black
- Size
- .750
- Material
- Steel
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet Best price | $61.75Salechecked Nov 13, 2026 | In stock | Buy at OpticsPlanet | |
| Ammunition Depot | $61.75checked Nov 13, 2026 | In stock | Buy at Ammunition Depot | |
| Battlehawk Armory | $55.92Salechecked Nov 13, 2026 | Check store | Buy at Battlehawk Armory | |
| AR15Discounts 5% off | $57.00checked Nov 13, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $61.75checked Nov 13, 2026 | Check store | Buy at Dirty Bird | |
| Palmetto State Armory | $61.99checked Oct 31, 2026 | Check store | Buy at Palmetto State Armory | |
| Brownells 17.76% off · ends Nov 15 · exclusions apply | $61.75checked Nov 13, 2026 | Out of stock | Buy at Brownells |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $61.75 at Ammunition Depot. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $57.00 | $57.00 | $57.00 |
| Ammunition Depot | $61.75 | $61.75 | $61.75 |
| Battlehawk Armory | $55.92 | $55.92 | $55.92 |
| Brownells | $61.75 | $61.75 | $61.75 |
| Dirty Bird | $61.75 | $61.75 | $61.75 |
| OpticsPlanet | $61.75 | $61.75 | $61.75 |
| Palmetto State Armory | — | $61.99 | $61.99 |
Since Sep 28, 2026.
About this part
The AR-15 .750 Gas Block Steel is a gas system part from Forward Controls Design. It's sold by 7 stores (2 in stock), from $55.92 to $61.99. The lowest in-stock price in the last 30 days was $61.75 at Ammunition Depot.
From the manufacturer
GBF (Gas Block Forward Controls) is a 0.750 gas journal gas block done FCD way: meticulously designed and machined, with thoughtful features throughout. Machined from heat treated 4140 bar stock, GBF is manganese phosphate coated, GBF holds rather tight tolerances to squeeze every bit of tight seal we can from the design. GBF's gas tube hole can be described as semi blind hole, in that it has an access port just big enough to allow a 3/32 punch to go through. This feature was suggested by the late Semper Paratus Arms owner and operator, Will Larson, its purpose is to minimize the gas tube hole as much as possible, while providing a means for users to use a punch to di Mfg: Forward Controls Design
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