Rooftop Defense

Rooftop Defense carries a deep inventory of Knight's Armament components, from suppressors and muzzle devices to bolts, sights, and small parts. With 94+ products in stock, they're a reliable source for builders and shooters who trust KAC quality.

The suppressor lineup covers multiple calibers:

• •5.56 Suppressors: QDC CRS-1, QDC MCQ-1, QDSS-NT4, QDSS-NT4 PRG
• •7.62 Suppressors: QDC PRS-1, QDC CQB PRG
• •Flash Hiders: 5.56 M4QD (1/2×28) and 7.62 QDC (5/8×24)
• •Compensators: 3T Enhanced Compensator Kit – 5.56 Triple Tap

Prices range from roughly $120 for flash hiders to $1,800+ for complete suppressors.

• •SR-15 E3.2 Bolt Assembly
• •SR-15/SR-16 Field Repair Kit for 3.2 Bolt
• •Complete bolt carrier group components

• •200-600m Micro Folding Rear Sight
• •M4 MK12 MK18 Folding Front Sight
• •Micro Folding Front Sight
• •Bubble Level Anti Cant Device (Picatinny)

• •Combat Trigger Guard
• •Suppressor shrouds and accessories
• •M110/SR-25 Collapsible Stock Conversion Kit

All inventory is live; if it's in-stock, it's ready to ship!

Order by 3PM Central for same-day shipping on in-stock items. Most orders ship free. Rooftop Defense also operates a cashback program on every order.

While Knight's Armament is a featured brand, Rooftop Defense stocks 40+ other manufacturers including Daniel Defense, Geissele, LMT, Magpul, Surefire, EOTech, Trijicon, and tactical gear brands like Blue Force Gear and Esstac.