bobide

you'll need a strap wrench to get the feedneck off, also the lpr will also need it when you take that off when lubing.

Give the stock regulators a chance, like 2 or 3 cases. After that you can make your call. Long or short cp depends on what length you like for a foregrip. No gauge is needed, gun has one for the hpr already.

Barrel works well but buy a nice highend barrel like a cp 2piece or UL and you'll notice a little better accuracy, especially down range.

Gun doesn't need much cept a feedneck-make damn sure you're getting ICD threads not impulse. I recommend ordering direct from either CCM or AKA who make ICD threaded necks. Again give the regs a chance and then see, efficancy is a little low so a nice valve would boost that (zentrium,vapor,ebay-really it's on ebay) A barrel if you want, after that there are plenty of bolts, boards, triggers, lprs, and even rams.

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05 PROMASTER , 14" Macdev Matchstick, Kila Drive, Zentriam Valve, ICDU ram, CCM no-rise, Sonic lpr