Warning: Last items in stock!
The Heat-Treated Castle Nut screws onto the AR15/M4 lower receiver extension (buffer tube) and keeps the receiver extension and lower receiver end plate secured in place. The large notches allow for positive engagement with a castle nut wrench for proper installation and torque. The smaller notches provide a location for the end user to stake the castle nut to prevent accidental loosening.
Finished in a Mil-spec manganese phosphate.
Made in the USA.
Information: To buy firearms and essential elements, you must have or be able to obtain a weapon permit (Waffenerwerbschein (WES / PAA)) in Switzerland according to. (Art. 8 al. 1 LArm and ss and art. 15 al. 1 ss OArm)
If you fulfill this requirement and you purchase a firearm, please send us the WES / PAA to the following address: Dynamik Arms SARL/Gmbh, 124 route d Annecy, 1257 Croix-De-Rozon Suisse
To Buy ammunition, we will need a copy of of less than 2 years old weapon permit (Waffenerwerbschein (WES / PAA)) with the same caliber as the ammo purchased that can be simply sent pdf by e-mail.
WARNING: If you don't have such permit or have doubt on the possibility to obtain one, don't purchase the firearm, essential element or ammunition since we you will have a penalty of 30% of the firearm, essential element or ammunition sum for admin costs.