AT3 Tactical
AT3 Mil-Spec AR-15 Carbine Buffer Tube
Real AR-15 mil-spec carbine buffer tube with six-position stock adjustment, aluminum construction, and color options.
Buffer TubeSKU AT
From
$17.99
Collection
AR-15, First Strike T15 & Legacy Performance T16 Buffer Tubes & Parts
AR-15, First Strike T15, and Legacy Performance T16 buffer tubes and related parts support stock mounting, rear-end configuration, and compatible AR-pattern furniture. This collection includes carbine tubes, pistol tubes, rifle tubes, castle nuts, foam covers, drop-down adapters, and supporting hardware.Compare mil-spec versus commercial dimensions, tube length, thread compatibility, stock requirements, and any platform-specific adapter needs before ordering.
Add $75 more to unlock free shipping. U.S. orders qualify at $75.
AT3 Tactical
AT3 Castle Nut for AR-15 Buffer Tubes
Firearm-compatible AR-15 castle nut with steel construction, Mil-Spec threading, staking notches, wrench cutouts, and multiple color options.
Buffer TubeSKU AT3-Castle-01
From
$5.99
- Sold out
Anderson Manufacturing
Anderson Manufacturing AR-15 Buffer Tube Castle Nut
Firearm-compatible AR-15 castle nut with steel construction, manganese phosphate finish, wrench cutouts, and MIL-SPEC buffer tube fitment.
Buffer TubeSKU AM-26Sold out
$9.99
Omega Tactical
No Comply Mil-Spec Buffer Tube
Real laser-engraved Mil-Spec buffer tube for compatible 6-position rear stock setups.
Buffer TubeSKU OTMCO-84545
$14.99
- Sold out
Anderson Manufacturing
Anderson Manufacturing AR-15 Mil-Spec Carbine Buffer Tube
Firearm-compatible AR-15 carbine buffer tube with Mil-Spec diameter, 7075-T6 aluminum construction, hardcoat anodized finish, and 6-position adjustment.
Buffer TubeSKU AM-21-CARSold out
$24.99
- Sold out
JE Machine
JE Machine Fluted Pistol Buffer Tube Type 2
Real fluted pistol-length buffer tube for compatible buffer tube-style rear setups.
Buffer TubeSKU OTM24556Sold out
$24.99
Omega Tactical
Omega Mfg. Pistol Buffer Tube Foam Cover
Real foam buffer tube cover for compatible pistol buffer tube setups.
Buffer Tube CoverSKU OTMFOAMPAD
$4.99
Omega Tactical
Omega Mfg. Heavy Duty Pistol Buffer Tube
Real heavy-duty pistol buffer tube for compatible rear tube setups.
Buffer TubeSKU OTM4139
$12.99
- Sold out
JE Machine
JE Machine A2 Rifle Tube with Screw
Real A2 rifle tube with screw for compatible fixed-stock configurations.
Buffer TubeSKU OTM67854Sold out
$27.99
Strike Industries
Strike Industries TRIBUS Enhanced Castle Nut & End Plate V2
Integrated Strike Industries TRIBUS V2 castle nut and enhanced end plate for compatible AR-pattern carbine receiver extensions, with multiple sling-attachment positions.
Castle Nut & End PlateSKU SI-AR-TRIBUS-BK
$59.95
Compatibility note: confirm product details, air source, platform fitment, and manufacturer instructions before ordering critical parts.