When it comes to the CQB environment, the 300 AAC Blackout has become my go-to cartridge. Loaded with full-power self-defense ammunition, the ballistics are impressive—about as good as it gets from across the room to any practical police or self-defense engagement distance.
Even with a short barrel, the 300 BLK surpasses the 5.56mm in every meaningful category; it’s soft shooting, reliable and incredibly conducive to suppression.
I’ve used several 300 BLK rifles and built a couple, but my Seekins Precision SBR has become my chosen workhorse in this caliber.
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The Seekins Precision SBR uses the company’s proven SP223 Gen 2 billet receivers and 12-inch MCSR handguard, which is set up to cover a suppressor and is KeyMod compatible, allowing for a clean rail space as well as purpose-built accessories.
The stainless steel, match-grade, 8-inch barrel features M4 feed ramps and 5/8×24 threading to accept most suppressors. Cooling fins cover the barrel, and an adjustable gas block is also installed.
Seekins’ M16 bolt carrier group and BCM’s Gunfighter charging handle round out the package.
I’ve used this rifle for almost a year now, firing thousands of rounds and testing numerous suppressors. Currently, I’ve equipped it with a Law Tactical Gen 3 Folding Stock Adapter and EliteIron’s new BattleDog suppressor.
For targeting I use an Aimpoint red dot or the Trijicon SRS. Capable of sustained fire with most any ammunition, the SBR works well with all magazines, including the X-15 drum from X Products.
Its accuracy is stellar, too, with Remington Match ammo shooting into 0.6 inches at 100 yards. With the stock folded, the SBR fits into my 2 Vets Arms Covert pack perfectly and is always close at hand.
If you are looking for what may be the perfect entry or self-defense carbine, make sure you check out this 300 Blackout SBR.
For more information, please visit seekinsprecision.com or call 208-743-3400.
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