Springfield Echelon 4.5″ Threaded Barrel Kit – 9mm Luger Black
February 2, 2026
Diamondback DB1915K071 DB15 5.56x45mm NATO 30+1 10″ Black Nitride Threaded Barrel, M-LOK Handguard, Midnight Bronze Aluminum Picatinny Rail Receiver, Black Buffer Tube, Black Magpul Grip, Right Hand
February 2, 2026
Armaspec ARM268-9 SMB-9 Buffer Kit Black/Silver AR-15 Gen3
$86.39
Armaspec ARM268-9 SMB-9 Buffer Kit Black/Silver AR-15 Gen3
6 in stock
This Kit comes with our SMB (Sound Mitigation Buffer) A superior upgrade buffer in place of the OEM mil-spec buffer springs and weights.
| UPC | 810048492763 |
|---|---|
| Manufacturer | Armaspec |
| Manufacturer Part Number | ARM268-9 |
| Model | SMB Buffer Kit |
| Product Type | Buffer Tube Complete Assembly |