AR Maglock Gen 4

For narrow width .308 receivers

Use this one if you possess Aero Precision M5, DPMS, S&W M&P, Troy, Wilson Combat, CMMG Mk3, LMT, JD Machine, SLR Rifleworks, Windham, Stag Arms, Ruger SR-762 .308, Diamond Back DB10 receivers.

If you possess a Palmetto State, Armalite, Remington R-25, LWRC, Anderson, Colt, Juggernaut, SIG, Savage Arms, Vault Armory, Quentin Defense, Mega Arms, Larue, purchase the standard length shaft version.

Does not work on Springfield Saint Victor.

Description:

• New set screw on locking arm, allowing for adjustment to ANY receiver width including billet, composite, or 80% non mil-spec receivers
• For narrow width .308 receivers