Description
If you’re looking to take advantage of all the components available for the .300 Blackout cartridge, then the Knight’s Armament SR-30 IWS Complete Lower Receiver is purpose-built to be your perfect starting point.Thanks to the company’s more than 30 years of developing premium firearm technology, the Knight’s Armament SR-30 IWS Complete Lower Receiver is loaded with some of the best features available in today’s AR world, including fully ambidextrous safety selectors, magazine release and bolt release. These, plus a two-stage match trigger, are all contained in a battle-ready, forged lower.
- Black finish
- Caliber-marked for 300 AAC Blackout
- Equipped with 4.5-pound trigger
- Ships with Magpul MOE SL-S Carbine Stock
In addition to every internal component needed, the Knight’s Armament SR-30 IWS Complete Lower Receiver also ships with the company’s Combat Trigger Guard and a buttstock on a six-position buffer tube.
FFL Restriction
You must be 18 years of age or older to purchase rifles and shotguns, and 21 or older to purchase handguns, receivers, frames, and suppressors. Minimum age requirements may vary by state. Check your state and local laws before ordering. It is your responsibility to fully understand the laws in your area and to ensure that possession of this item would not violate any applicable state or local laws. This product must be delivered to a Federal Firearms License holder.




