Mil-Spec M4 carbine buffer tube castle nut for AR15 rifles, chassis stocks or other rifles which accept AR furniture such as MDT stocks, Ruger Precision rifle, etc.

Additional items you may need for your installation can be found in the accessories section on this page.

M4 Mil-Spec receiver extension castle nut

Name: M4 Mil-Spec receiver extension castle nut
Brand: Mil-Spec

SKU: MSM4RECN

£11.00

VAT Included

Quantity

Fits:

Mil-spec diameter 1.148” buffer tube
M4 Mil-Spec carbine buffer tube

M4 Mil-Spec receiver end plate

M4 Mil-Spec carbine buffer spring

M4 Mil-Spec carbine buffer

AR15 Mil-Spec buffer retainer

AR15 Mil-Spec buffer retainer spring

Hera Arms CCS

Hera Arms CQR

Magpul PRS Gen 3

M4 Mil-Spec receiver extension castle nut

Details

Accessories

General