WTB parts for MWS

I’m slowly building an MWS and look for some parts which might collect dust in your drawer / parts bin. The following parts are of interest:

Externals:
(Preferably replica! Not interested in RS)
- BCM 13 inch handguard
- BCM pistol grip
- BCM trigger guard
- Spacer nut for mounting a handguard
- B5 stock
- BCM charging handle or PTS Radiant Raptor
- MTR dust cover or similar polymer version

Internals:
- 370 mm barrel (Unicorn to Morpheus or anything between)
- Laylax / Nineball Hop Arm
- Lightweight bolt
- Bolt roller
- Feda valve

Magazinese:
- Guns Modify P-mags 
- Angry Gun Lancer (282 g)