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  1. K

    Accessories Sold

    MPA ultralite rem 700sa w/ anarchy outdoors vertical grip - 2.54lb Chassis is in the raw and ready for paint. Has been mounted to an action and less than 150 rounds fired. Perfect chassis for a light weight hunting rifle or NRL hunter series rifle. 750 shipped.
  2. K

    Suppressors Thunder Beast Eduction Video #3 Semi verse Bolt wave forms

    Slide 6: There are 4 wave profiles here. The front (dark blue) is the wave profile from the mil spec mic location for the bolt action rifle. This also serves as a baseline comparison. The other 3 profiles are Mil Left, Mil Right and Shooter’s Ear for the same ammunition in the semi-auto rifle...
  3. K

    Suppressors Thunder Beast Eduction Video #3 Semi verse Bolt wave forms

    Slide 5: Shooter’s ear wave profiles for supersonic vs subsonic ammo. The 4 events defined in the previous slide are visible for both ammunitions. The 4 events just happen sooner/faster for the supersonic ammunition. The peaks for the gas reaching the BCG and for the BCG opening are both louder...
  4. K

    Suppressors Thunder Beast Eduction Video #3 Semi verse Bolt wave forms

    Slide 4: Semi vs Bolt with subsonic ammo at the shooter’s ear. The blue profile (bolt action) is the baseline for how quiet that suppressor/ammo/length of barrel can be at the shooter’s ear. The grey waveform shows the additional sound signature caused from the semi-auto weapon system. There are...
  5. K

    Suppressors Thunder Beast Eduction Video #3 Semi verse Bolt wave forms

    Slide 3: Shooter’s ear profiles in Pascals for subsonic and supersonic ammo on bolt action showing the presence of the supersonic crack for the supersonic ammo vs no crack on the subsonic ammo
  6. K

    Suppressors Thunder Beast Eduction Video #3 Semi verse Bolt wave forms

    Slides 1 and 2
  7. K

    Suppressors Thunder Beast Education Video #2 Supersonic Crack and Velocity

    Weapons/ammo used -8” 300 Blackout Remington 700 with Red Mountain Arsenal 110gr V-max -MV = 2178 fps -12.7” .308 LWRC R.E.P.R. with M118LR -MV = 2298 fps -20” .308 AI AX with M118LR -MV = 2630 fps -26” 300 Norma Mag AI AXMC with 230 gr Berger Match -MV = 2861 fps -Muzzle velocities were...
  8. K

    Suppressors Thunder Beast How and why we test the way we do. Education video#1

    The AHAAH software seems really good on the surface and I like the idea of a daily exposure limit. However I do not like how the data is imported into AHAAH. You import your .wave file and then input what your units and peak value are. This is a method that is rife with error and/or funny business.
  9. K

    Optics Sold

    SPF
  10. K

    Optics Sold

    Bump
  11. K

    Optics Sold

    Vortex AMG mil/mil for sale. Sun shade has rub mark on it from pack, see image. 1800 shipped for scope, throw lever, sunshade and tool. Ships in original box.
  12. K

    TBAC BIPOD

    This is the plate that I run on mine https://soar.reallyrightstuff.com/BTC-Pro-Clamp-for-Atlas-Bipod
  13. K

    TBAC BIPOD

    I wouldn't advise shaving down the notches that keep the bipod deployed at 90degrees. It would make it so any reward pressure on the rifle from positioning or shooting would cause the legs to go into the stowed position.
  14. K

    I am over SHOT SHOW

    Frank if I was vertically challenged like you, I'd also get sick of staring at 10,000 middle aged men's asses all day, everyday for a week
  15. K

    Suppressors Thunder Beast 338 Gen 2 and Magnus on 6.5 CM

    The pulse is the only reason we have the confidence to test indoors and trust the data. We can estimate when reflections are going to show up in the data mathematically using the speed of the bullet and speed of sound. Assuming for easy math the bullet is traveling 3000ft/sec and speed of sound...
  16. K

    Suppressors Thunder Beast Magnus

    It's on the board for next week. Ray forgot the 300 Norma ammo on Thursday haha
  17. K

    Maggie’s Funny & awesome pics, vids and memes thread (work safe, no nudity)

  18. K

    Lightweight hunting rifle “build”

    More than you want to spend but it would make 8#s https://seekinsprecision.com/rifles-new/havak-bolt-rifles/havak-element.html
  19. K

    Lightweight hunting rifle “build”

    https://gun.deals/search/apachesolr_search/57772 https://www.savagearms.com/content?p=firearms&a=product_summary&s=57771 Have a buddy that has one of these and I've been impressed with how it shoots. The 6.5CM comes in at 5.8# so with the right scope and bipod you'd be right at 8.5# or maybe...
  20. K

    Suppressors Thunder Beast tests some larger OD 30 cal cans

    I wish that were enforecable across the industry. It's difficult to play nice within the industry and at the same time point out bad data. After the Discrete Ballistics demo in New Hampshire where the B&K rep orientated the microphones actively (parallel with the sound wave direction) rather...
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