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optics mount and twist rate

Discussion in 'GATE Long-Range Shooting' started by ScrapMetal, Nov 3, 2010.

  1. ScrapMetal


    Oct 27, 2009
    Pittsburgh, Pa

    Couple of questions for ya:

    1. I'm trying to decide on the twist rate for a LWRC REPR in 7.62X51. LWRC offers a 1 in 10 or a 1 in 11.25 inch twist rate. I've googled this to death, and I haven't found a good answer as of yet. I think I'm going to go with the 1/11.25 because I have A LOT of bulk .308 (147 and 150 gr.) but I'm also wondering if the heavier grain projectiles will shoot well through that twist rate (meaning 168 and 175gr)?

    2. Along with the rifle I have a NF NSX F1 scope, and I'm looking for a nice mount for it. I've been looking at the LaRue SPR-S Mount LT 158. Can you recommend any other mounts I should consider? This is my first "longer" range rifle so any help would be greatly appreciated. Thanks!
  2. Zak Smith

    Zak Smith 3Gunner Millennium Member

    Aug 25, 1999
    Fort Collins, CO, USA
    Anywhere between 1:10 and 1:12 should work for any viable full-power .308 load. I'd probably take the 1:11.25.

    The LaRue mounts are really the best ones for the AR-15/10 platforms.