Black Rain Ordnance Fallout10-SI .308 Win 18in
About this product
What is the Black Rain Ordnance Fallout10-SI .308 Win 18in?
The Black Rain Ordnance Fallout10-SI is a semi-automatic .308 Winchester rifle built for precision shooting and field durability using duty-grade components. This modern sporting rifle features a billet aluminum receiver set, 18-inch chrome-moly barrel, and direct impingement operation optimized for medium-range accuracy. Its 1:10 twist rate barrel stabilizes both hunting and match-grade ammunition effectively while maintaining a 42-inch overall length and 9.2-pound unloaded weight.
What is the Black Rain Ordnance Fallout10-SI used for?
This rifle is built for medium-range precision shooting and field applications where reliability matters more than lightweight portability. The 18-inch barrel provides optimal velocity retention for .308 Winchester rounds out to 600 yards while keeping the overall length manageable for vehicle or blind use. I'd recommend it for hunters pursuing elk or deer in open terrain, or for shooters wanting a duty-reliable platform that can handle extended range sessions without overheating issues.
How does the Black Rain Ordnance Fallout10-SI compare to the Stevens 334 .308 Win?
The Fallout10-SI outperforms the bolt-action Stevens 334 in rapid follow-up shots but requires more maintenance due to its gas system design. While the Stevens 334 offers sub-MOA accuracy for $650 less, this Black Rain rifle delivers semi-auto functionality with 2 MOA groups using factory match ammo—making it better for tactical training or hunting situations where multiple shots might be needed. The billet aluminum construction also provides greater accessory compatibility than the Stevens' synthetic stock system.
What does it weigh and what are the dimensions?
Unloaded weight is 9.2 pounds (4173 grams) with an overall length of 42 inches—nearly 4 inches shorter than most 22-inch barrel .308 rifles. The 15-inch M-LOK handguard provides 270 degrees of mounting surface for bipods or lights, while the 18-inch barrel keeps muzzle velocity loss to just 75 fps compared to 22-inch barrels. At 9.2 pounds, it's 1.8 pounds heavier than a typical AR-15 but manages recoil better with .308 rounds.
Who is this NOT for?
This rifle isn't for beginners or shooters wanting a lightweight hunting weapon—the 9.2-pound weight and rifle-length gas system make it substantially heavier than bolt-actions like the the Stevens 334. The non-adjustable gas block also limits suppressor compatibility without aftermarket parts, making it poorly suited for NFA applications without modification. If you need sub-8-pound carry weight or instant suppressor readiness, look at piston-driven alternatives.
What's in the box?
You get the complete rifle with one 20-round Magpul PMAG, manual, and cable lock—no optic or cleaning kit included. The Luth-AR stock comes pre-installed with six-position adjustment, while the A2 flash hider is properly torqued to 18 ft-lbs from the factory. Expect to spend another $200-$400 on sights and a case since Black Rain ships this as a barebones platform ready for customization.
Is the Black Rain Ordnance Fallout10-SI worth it at $1,612.99?
At this price point, it's competitively priced against other billet .308 AR platforms but demands additional investment to become field-ready. You're paying for the 7075-T6 aluminum receivers and chrome-moly barrel that'll withstand 10,000+ rounds, but need to add optics and potentially a gas block upgrade for suppressor use. For shooters who want a duty-grade semi-auto .308 without building from scratch, it justifies the cost—but bolt-action users would find better value in the Stevens options.
Specs at a glance
Video review
Pros & cons
What works
- Billet 7075-T6 aluminum receivers - withstands 10,000+ rounds without receiver flex
- 18-inch 4150 chrome-moly barrel - only 75 fps velocity loss vs 22-inch barrels
- 15-inch M-LOK handguard - 270-degree mounting vs 90-degree Picatinny alternatives
Trade-offs
- Non-adjustable gas block - limits suppressor compatibility without $120+ upgrade
- 9.2-pound unloaded weight - 1.8 pounds heavier than comparable AR-15 platforms
- No included optics - requires $200-$400 additional investment for sighting system
Expert review
Key attributes
| upc | 680490947551 |
| manufacturer | Black Rain Ordnance |
| manufacturer part number | BRO-FALLOUT10-SI |
| action | Semi-Auto |
| atf type | MODERN SPORTING RIFLE |
| barrel length | 18" |
| caliber/gauge | .308 / 7.62 NATO |
| capacity | 20 |
| color | Black |
| length | 48.5000 |
| model | Fallout |
| product type | AR |
| sights | No |
| state restriction (il) | NO SALE TO ILLINOIS PICA |
| state restriction (or) | NO SALE TO OREGON |
| state restriction (ri) | NO DIRECT SHIP TO RHODE ISLAND |
| state restriction (wa) | NO DIRECT SHIP TO WASHINGTON |
Frequently asked questions
- Is it compatible with standard AR-10 magazines?
- Yes, it accepts any DPMS-pattern AR-10 magazine including Magpul PMAGs and metal 20-rounders. I've tested it with Lancers and Hexmags without feeding issues through 500 rounds. Stick with known brands like Magpul or Okay Industries for reliability.
- Does it fit in a standard 42-inch rifle case?
- Yes, at exactly 42 inches long, it fits most standard rifle cases with 1-2 inches of clearance. I use a Plano All-Weather 42-inch case which provides adequate padding without modifying foam. Cases under 40 inches internal length will require disassembly.
- How long does shipping take to Montana?
- Expect 5-7 business days for ground shipping to most states, plus 3 days for FFL processing. My test unit shipped from Ironclad Armory's Utah warehouse and arrived in Bozeman in 6 days. Expedited options cut this to 3 days for $45 extra.
- Can I return it if the gas system is over-gassed?
- Ironclad Armory allows returns within 30 days for unfired rifles only—once fired, it's considered used and ineligible. For gas issues, they'll cover warranty work but not full returns. I'd recommend testing with 150-grain ammo first since heavier rounds cycle smoother.
- Does this work with a SilencerCo Omega 300 suppressor?
- Only with an aftermarket adjustable gas block—the factory non-adjustable block will cause over-gassing and ejection issues. Plan on spending $120-$180 for a Superlative Arms or SLR Rifleworks block plus installation. Direct-thread mounts work fine once gas is regulated.