Buffer System

Call us old fashioned, we like our castle nut staked to prevent it from rotating loose on the receiver extension and causing malfunctions.  Army manual calls for the castle nut to be torqued to 38 to 42ft/lb, and staked in two places.  While...

Call us old fashioned, we like our castle nut staked to prevent it from rotating loose on the receiver extension and causing malfunctions.  Army manual calls for the castle nut to be torqued to 38 to 42ft/lb, and staked in two places.  While...

Call us old fashioned, we like our castle nut staked to prevent it from rotating loose on the receiver extension and causing malfunctions.  Army manual calls for the castle nut to be torqued to 38 to 42ft/lb, and staked in two places.  While...

The LBE .308 Rifle Recoil Buffer is for use with AR-10, LR-308 and SR-25 based platforms with a Rifle Buffer Tube. This is a drop in part with no modifications needed. For use with fixed, non-collapsible stocks only. LBE Unlimited is a leading producer...

The 2A Armament Latch Plate is machined from billet aluminum and hard anodized finished for durability. A QD mount is incorporated into the design and the pocketed design adds to the weight savings which in the end is 70% lighter than a typical steel...

Spike's Tactical stainless steel heavy buffer for use in a carbine stock. The ST-9X is a dedicated 9mm buffer due to its extended length. Its extended length helps eliminate the problem of breaking bolt catches. The buffer will smooth the gun out, make...

The Builder Series AR10 Buffer Tube Assembly is manufactured in-house and finished with hard anodizing for lasting performance. It is billet machined from 6061-T651 aluminum for tighter concentricity than a forging or impact extrusion to reduce potential...

The Builder Series AR15 Buffer Tube Assembly is manufactured in-house and finished with hard anodizing for lasting performance. It is billet machined from 6061-T651 aluminum for tighter concentricity than a forging or impact extrusion to reduce potential...

Mil-Spec Receiver Extension / Buffer Tube, 6 PositionThis Battle Arms Development 6 Position Carbine Buffer Tube is constructed from 7075-T6 aircraft-grade aluminum has a hard black anodized finish, will fit all standard AR15/M16/M4 lower receivers, and...

The LBE AR-15 Standard Rifle Buffer should be utilized on all your builds that take a rifle length buffer tube and spring. LBE's high quality buffers will ensure your rifle's peak performance. This buffer comes with 5 internal steel weights. LBE...

Primary Weapons Systems, Enhanced Carbine Buffer, H3, 5.5oz

AR-15 Castle Nut is made of 4140 steel and has a Magnesium Phosphate finish. Made in the USA. Castle Nut, For AR-15, Manganese Phosphate Coated 4140 Steel Fits AR-15 Castle Nut Made in the USA