
Availability: In Stock
The TacFire MAR001CO is a clamp-on low profile gas block designed for AR-platform builds where you need reliable gas regulation without the bulk of a full-height block. Built from steel and finished in black parkerized, this .750" diameter gas block is engineered to handle the demands of mid-length and rifle-length gas systems on modern tactical and hunting rifles. If you're assembling a lightweight upper receiver or want a cleaner sight line over your rail system, a low profile gas block is the way to go—and TacFire's no-frills approach keeps your build costs down without compromising on function.
The clamp-on design means you're not permanently pinning this block to your barrel; that flexibility is handy for troubleshooting or swapping barrels down the road. Parkerized steel is a time-tested finish that resists corrosion and plays well with both suppressed and unsuppressed shooting. Whether you're building a duty rifle, a precision hitter, or just want to modernize an existing upper, a low profile gas block is a straightforward upgrade that can improve your sight picture and overall ergonomics.
TacFire keeps the marketing speak to a minimum—this is a solid, hardworking part at a fair price. Pair it with quality barrel work and proper gas tube selection for your system, and you'll have a dependable platform for hunting, range work, or tactical training.
| Diameter | .750" |
| Material | Steel |
| Finish | Black Parkerized |
| Mounting Type | Clamp-On |
| Profile | Low Profile |
The MAR001CO is designed for barrels with a .750" outside diameter. Measure your barrel's OD at the gas block location to confirm compatibility; most standard rifle-length and mid-length AR barrels fall into this range, but some specialty or older profile barrels may differ.
Clamp-on blocks allow you to remove and reinstall the block without permanent modifications to your barrel. This makes it easier to swap barrels, troubleshoot gas tuning, or service your rifle without a trip to the gunsmith.
Parkerized steel is rust-resistant but not corrosion-proof. Standard firearms maintenance—keeping it dry and lightly oiled—will keep it in good shape for years. It's a robust, field-proven finish that handles both wet and suppressed environments well.

SKU: 115773457 • Width: 2.6in • Height: 0.9in • Depth: 3.6in • Weight: 0.14oz





Availability: In Stock
The TacFire MAR001CO is a clamp-on low profile gas block designed for AR-platform builds where you need reliable gas regulation without the bulk of a full-height block. Built from steel and finished in black parkerized, this .750" diameter gas block is engineered to handle the demands of mid-length and rifle-length gas systems on modern tactical and hunting rifles. If you're assembling a lightweight upper receiver or want a cleaner sight line over your rail system, a low profile gas block is the way to go—and TacFire's no-frills approach keeps your build costs down without compromising on function.
The clamp-on design means you're not permanently pinning this block to your barrel; that flexibility is handy for troubleshooting or swapping barrels down the road. Parkerized steel is a time-tested finish that resists corrosion and plays well with both suppressed and unsuppressed shooting. Whether you're building a duty rifle, a precision hitter, or just want to modernize an existing upper, a low profile gas block is a straightforward upgrade that can improve your sight picture and overall ergonomics.
TacFire keeps the marketing speak to a minimum—this is a solid, hardworking part at a fair price. Pair it with quality barrel work and proper gas tube selection for your system, and you'll have a dependable platform for hunting, range work, or tactical training.
| Diameter | .750" |
| Material | Steel |
| Finish | Black Parkerized |
| Mounting Type | Clamp-On |
| Profile | Low Profile |
The MAR001CO is designed for barrels with a .750" outside diameter. Measure your barrel's OD at the gas block location to confirm compatibility; most standard rifle-length and mid-length AR barrels fall into this range, but some specialty or older profile barrels may differ.
Clamp-on blocks allow you to remove and reinstall the block without permanent modifications to your barrel. This makes it easier to swap barrels, troubleshoot gas tuning, or service your rifle without a trip to the gunsmith.
Parkerized steel is rust-resistant but not corrosion-proof. Standard firearms maintenance—keeping it dry and lightly oiled—will keep it in good shape for years. It's a robust, field-proven finish that handles both wet and suppressed environments well.
SKU: 115773457 • Width: 2.6in • Height: 0.9in • Depth: 3.6in • Weight: 0.14oz
