Knights Armament Company has been a premier weapons development and manufacturing company for over 30 years. Their advanced weapons systems are designed to meet the needs and demands of US Special Forces, military and law enforcement all over the world. They are one of the largest small arms manufactures in the US, consistently developing new and innovative weapon systems and accessories. When second best just isn’t good enough, turn to KAC!
The KAC SR-30 IWS Lower Receiver for .300 Blackout is ready to become your next suppressed “Go To” hunting and competition AR! Knights Armament is considered by some to be the preeminent small are manufactures of AR style rifles in the world, and with good reason. With a reputation for quality consistency and durability that is second to none, you know that you can count on your Knights rifle to perform! This complete lower receiver assembly kit is ready for any Mil-Spec upper, and would be the ultimate upgrade for any AR15 enthusiast. It features ambidextrous controls, an LMT SOPMOD tactical stock and a 4.5 pound match grade trigger. The receiver is crafted from solid aluminum with a hard black finish, so you know this lower is built to last! Get a Knight’s lower, take your AR to the next level and beyond!
Specifications and Features:
Knights Armament Company 31742
AR-15 Semi Automatic Lower Receiver
SR-30 IWS Complete Lower Receiver Kit
.300 AAC Blackout
Ambidextrous Controls
Knights 4.5 lb Match Grade Trigger
LMT SOPMOD Collapsible Stock
Mil-Spec
Aluminum
Black
| Caliber | .300 AAC Blackout |
|---|---|
| Condition | New in Box |
| Finish Per Color | Black |
| Manufacturer | Knights Armament |
| Manufacturer Part Number | 31742 |
| Model | SR-30 IWS |
| Type | Lowers |
| UPC | 819064015130 |
Frequently Asked Questions – KNIGHTS ARMAMENT COMPANY SR-30 IWS COMPLETE LOWER RECEIVER .300 BLK
- How fast does this ship?
- Ships in 1‑3 business days to your licensed D.C. FFL dealer after purchase and registration.
- Do I need registration?
- Yes. DC requires firearm registration, including a mandatory 10‑day waiting period after purchase approval from MPD before pickup. Handguns require registration, magazines <=10 rounds.
- Is this legal in D.C.?
- Yes, provided it complies with D.C. law (registered, no assault features, magazine ≤10 rounds).
- Is the KNIGHTS ARMAMENT COMPANY SR-30 IWS COMPLETE LOWER RECEIVER .300 BLK suitable for me?
- This KNIGHTS ARMAMENT COMPANY SR-30 IWS COMPLETE LOWER RECEIVER .300 BLK is popular for uses like knights armament.
- Popular searches by customers