Wanted to put an 18in barrel on an LWRC SPR anyone know what length gas port to order for a barrel? I have tried afew already. Mid-length, Intermediate and Rifle dont fit... Any idea's?
I have a pair of LWRCs in 5.56 (M6 and M6A3). The SPR should be a mid-length gas port (pretty sure) as are a number of their other models (M6A2, M6A3, etc.).