Black Rain Ordnance115671010
BR Advanced Upgrade Kit 2 - Ultimate Performance Enhancement for Your Device$211.45
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Availability: In Stock
The Black Rain Ordnance BR Upper Upgrade Kit is a modular component collection designed for AR-15 builders and shooters looking to enhance accuracy, ergonomics, and controllability. This kit bundles four key upper receiver elements—a precision compensator, adjustable gas block, integrated dustcover, and modern free-float rail—into a single upgrade path. Whether you're tuning a new build or refreshing an existing rifle, these parts work together to improve muzzle management and platform flexibility.
The compensator is a precision-engineered hex design that ships with a crush washer for secure installation. Paired with the .750 adjustable gas block, you gain tuning capability to dial in the right amount of operating pressure for your ammunition and intended use—whether that's reducing recoil at the range, fine-tuning reliability with different loads, or optimizing for suppressed or unsuppressed fire. This combination is the foundation of a well-balanced upper.
The 12-inch hybrid MLOK rail provides plenty of real estate for optics, lights, and accessories while staying lightweight and manageable. The integrated lasered dustcover rounds out the package with a clean, professional appearance and functional dust protection. All mounting hardware is included, so you have everything needed to integrate these parts into your build without hunting for fasteners.
Black Rain Ordnance's attention to precision and performance makes this upgrade kit a smart choice for AR-15 owners who want immediate, noticeable improvements in handling and accuracy without starting from scratch.
| Brand | Black Rain Ordnance |
| Product Type | AR-15 Upper Receiver Upgrade Kit |
| Compensator Caliber | 5.56 |
| Gas Block Size | .750 |
| Gas Block Type | Adjustable |
| Rail Length | 12 inches |
| Rail Profile | Hybrid MLOK |
| Dustcover Style | Lasered AR-15 |
| Hardware | Included |
This is a component upgrade kit designed for AR-15 platforms. The .750 gas block and MLOK rail are standard AR-15 specifications. If you're unsure about compatibility with a specific upper receiver, we recommend confirming your barrel diameter and rail mounting system before purchasing.
The kit includes a 5.56 precision hex compensator with crush washer, a .750 adjustable gas block, a 12-inch hybrid MLOK rail, a lasered AR-15 dustcover, and all necessary mounting hardware.
Yes. The adjustable gas block allows you to tune the amount of gas flowing into the bolt carrier group, which helps optimize performance with different ammunition loads, suppressor use, or shooting conditions.
The kit includes all mounting hardware, but installation will require standard AR-15 gunsmith tools and familiarity with upper receiver assembly. If you're not experienced with firearms builds, we recommend having a qualified gunsmith perform the installation.
SKU: 115860914 • Weight: 1.72oz
Availability: In Stock
The Black Rain Ordnance BR Upper Upgrade Kit is a modular component collection designed for AR-15 builders and shooters looking to enhance accuracy, ergonomics, and controllability. This kit bundles four key upper receiver elements—a precision compensator, adjustable gas block, integrated dustcover, and modern free-float rail—into a single upgrade path. Whether you're tuning a new build or refreshing an existing rifle, these parts work together to improve muzzle management and platform flexibility.
The compensator is a precision-engineered hex design that ships with a crush washer for secure installation. Paired with the .750 adjustable gas block, you gain tuning capability to dial in the right amount of operating pressure for your ammunition and intended use—whether that's reducing recoil at the range, fine-tuning reliability with different loads, or optimizing for suppressed or unsuppressed fire. This combination is the foundation of a well-balanced upper.
The 12-inch hybrid MLOK rail provides plenty of real estate for optics, lights, and accessories while staying lightweight and manageable. The integrated lasered dustcover rounds out the package with a clean, professional appearance and functional dust protection. All mounting hardware is included, so you have everything needed to integrate these parts into your build without hunting for fasteners.
Black Rain Ordnance's attention to precision and performance makes this upgrade kit a smart choice for AR-15 owners who want immediate, noticeable improvements in handling and accuracy without starting from scratch.
| Brand | Black Rain Ordnance |
| Product Type | AR-15 Upper Receiver Upgrade Kit |
| Compensator Caliber | 5.56 |
| Gas Block Size | .750 |
| Gas Block Type | Adjustable |
| Rail Length | 12 inches |
| Rail Profile | Hybrid MLOK |
| Dustcover Style | Lasered AR-15 |
| Hardware | Included |
This is a component upgrade kit designed for AR-15 platforms. The .750 gas block and MLOK rail are standard AR-15 specifications. If you're unsure about compatibility with a specific upper receiver, we recommend confirming your barrel diameter and rail mounting system before purchasing.
The kit includes a 5.56 precision hex compensator with crush washer, a .750 adjustable gas block, a 12-inch hybrid MLOK rail, a lasered AR-15 dustcover, and all necessary mounting hardware.
Yes. The adjustable gas block allows you to tune the amount of gas flowing into the bolt carrier group, which helps optimize performance with different ammunition loads, suppressor use, or shooting conditions.
The kit includes all mounting hardware, but installation will require standard AR-15 gunsmith tools and familiarity with upper receiver assembly. If you're not experienced with firearms builds, we recommend having a qualified gunsmith perform the installation.
SKU: 115860914 • Weight: 1.72oz