The bottom rifle is a Barrett Mk22 ASR rifle (MRAD) with a Nightforce ATACR 7-35x w/ ZeroHold, Nightforce UltraMount and a KGM R338-ASR suppressor. The Mk22 is the current issued precision rifle for the Army, USMC and USSOCOM.
The middle rifle is the Remington Mk21 PSR rifle with S&B PMII...
You might take some emory cloth to the edges of the fluting so they aren't so sharp.
You can also buy a new bolt body, they aren't terribly expensive.
Gun Shack
I get 2275fps out of my 12.5" HK417 and take it out to 600 pretty regularly. It's a pig even stripped down, so I use it as a compact precision setup. At 600, my Kestrel says that it's still going 1320fps and has almost 700ft pounds of energy on target, which approaches almost double what a...
Item Name: Item Gone: FS WTS: JP Rifles LRP-07 - .308win
Location: Athens
Zip Code: 30628
Item is for: Sale Only
Sale Price: $3000.00
Caliber: 308
Willing to Ship: No
Bill of Sale Required?: No
Item Description: I'm selling a JP Rifles LRP-07 precision rifle. It's equipped with a 16"...
Kang's did a lot of the Chinese AK importation in the 80's and sell the kits. That's where I got mine.
https://stores.polytechparts.com/polytech-front-sight-base-bayonet-assembly-in-the-white/
The issued Chinese AK's were far more prevalent with the folding spike bayonet. For sake of parts availability, you would be better off converting it to a spiker than going through the effort of trying to convert it for a regular bayonet. Finding the correct Chinese gas block with bayonet lug...