EVERYONE BACK OFF THIS ONE IS MINE!! (lol joking)
k I've build one before already, some where near your demand.
This build is basically if you want go full out and your budget limit is approx. $2-2.5k
All in USD unless otherwise stated
*Bolt Carrier: RA-Tech Steel Bolt Carrier or Prime RA-Tech is probably more durable since it doesn't have hollow end like on the prime
*Bolt: Gen2 Aluminmium NPAS, Make sure get the Aluminium Nozzle head, and replace the red O-Ring with a smaller one, (Mine was too big, and it got tore apart)
*Trigger Group if you are building of scratch get Prime, as its the only one, otherwise enjoy finding all the lil parts
*RA-Tech Steel CNC Hammer, Prime is a steel one, I don't see anywear so Im not sure if you need it.
*Buffer: Use AR-15 Buffer, the airsoft ones are too weak against prime buffer lock (prime is the same one as ar-15 which will destroy buffer)
*Sprng: either AR-15 recoil spring or RA-Tech Summer type recoil spring (AR-15 is probably for HPA, CO2, and Red Gas)
*Hop up: This is where's interesting, My experience with G&P is been awesome, RA-Tech is pretty much the same.
*Inner Barrel, G&P ones vs PDI & RA-tech, neither are clearly better, PDI has a lil tighter than RA-tech (by about 1") RA-Tech is about 1" tighter than G&P. PDI has problem with bbs jamming. I recommand G&P or RA-Tech.
*Fire selector: at this point this is determine by what model you use, WA spec use G&P, Prime spec obv use Prime. I'm unsure right now whether AR-15 selector would work with prime or not (prime said its same spec as AR-15)
General List w/ est cost:
1X Prime MK18 MBK: $800
1X Prime Lower Receiver Kit $205
1X Prime Barrel Extension: $35 (If you choose G&P Hopup& Inner kit you don't need this)
1X RA-Tech NPAS w/ Gen2 Al Nozzle: $265
1X RA-Tech Al Nozzle Head & Red O-Ring: $10
1X RA-Tech Bolt catch (need fitting): $15
1X RA-tech Inner Barrel and Hopup: $110
1X RA-tech Summer Type Buffer Spring: $10
1X AR-15 Charging Handle: $30-200 (30 being DPMS, 200 being PRI)
1X AR-15 Buffer: ~$20
1X AR-15 Buffer Spring: ~$10
1X G&P Front Set w/ Stock (otherwise you'll have to buy stock) $175 (RAS Short)
1X G&P M4 Pistol Grip: $25
Anymore question feel free to ask me
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