I've had this Mega set for a while now and decided to assemble a 14.5" since I always wanted one. Here's the list of parts I used that are pictured. I'm undecided on the buttstock, IMOD or EMOD; Samson VG, Arisaka VG/Indexer, or none.

Lower
Mega Arms GTR-3H
VLTOR IMOD Stock
VLTOR Carbine Extension
Geissele 42 Spring
Geissele H2 Buffer
Forward Controls Design Castle Nut
Forward Controls Design End Plate
Buffer Retaining Pin from a Geissele kit
Forward Controls Design Ambi Safety
Pivot and Takedown Pins from a Standard Geissele LPK
Geissele SD-E Trigger
Forward Controls Design Extended Mag Release
FCD Bolt Stop
Magpul K2+ Grip

Upper
Mega Arms GTR-3H
FCD Forward Assist
Strike Industries Dust Cover
Geissele Charging Handle
Colt BCG
Midwest Industries Rear BUIS
Trijicon MRO Patrol
Centurion Arms C4 MLOK Rail FSB 12"
Samson Stubby VG
Surefire X300u-B
14.5" Colt SOCOM Profile
Colt Carbine Gas Tube
Surefire Closed Tine Adapter (pinned/welded)


The barrel work was done by John Thomas (Retro Arms Works). He removed the ears/tabs for the sling and re parkerized the area, removed the handguard cap, and pinned and welded the muzzle device. I was really impressed with his work and customer service. Awesome.

There's a picture of the pin and weld job.

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