BUFFER SYSTEMS AND COMPONENTS

AR-15 Buffer Systems & Components

Dark Storm Industries offers buffer system components for AR-15 and .308 AR-platform lower receivers, including carbine buffers, buffer springs, Mil-Spec receiver extensions, complete buffer system kits, end plates, and castle nuts.

Choose from standard 3.0 oz carbine buffers, H2 and heavy buffer options, as well as complete carbine buffer systems for builders replacing or assembling the rear portion of a lower receiver.

Individual components including buffer tubes, springs, sling plates, end plates, and castle nuts are also available for repairs, replacement, and custom lower receiver configurations.

DSI DS-15 Carbine Buffer System Kit
DSI-BFR-KIT-C556
$84.95
+ −
DSI DS-15 Carbine Heavy Buffer System Kit
DSI-BFR-KIT-C556H
$94.95
Out of stock
$42.95
+ −
DSI DS-15 Carbine 3.0 oz Buffer
DSI-BFR-C556
$24.95
+ −
DSI DS-15 4.5 oz Carbine Buffer H2
DSI-BFR-C556H
$34.95
Out of stock
DSI Heavy Buffer Carbine .308 4.5 oz
DSI-BFR-C308H
$29.95
+ −
DSI DS-15 Carbine Buffer Spring
DSI-BFR-SC-556
$14.95
+ −
DSI DS-10 Carbine Buffer Spring
DSI-BFR-SC-308
$19.95
+ −
$14.95
+ −
DSI Buffer End Plate
DSI-BFR-PLT
$7.95
+ −
DSI Castle Nut Steel
DSI-BFR-NUT
$9.95
+ −
$8.95
+ −