Guardians of the Galaxy Headquarters

What there is most of

• Plate 1 x 2 · Dark Bluish Gray×4
• Brick Special 1 x 2 Palisade [aka Log] · Light Bluish Gray×3
• Brick 1 x 1 · Dark Purple×2
• Brick Sloped 45° 2 x 1 with 2/3 Inverted Cutout and no stud · Light Bluish Gray×2
• Brick Special 1 x 2 with Grille · Dark Bluish Gray×2
• Hinge Brick 1 x 4 [Lower] · Light Bluish Gray×2
• Hinge Brick 1 x 4 [Upper] · Dark Bluish Gray×2
• Plate 1 x 1 · Dark Bluish Gray×2
• Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] · Light Bluish Gray×2
• Tile 1 x 4 with Groove · Light Bluish Gray×2
• Weapon Gun / Blaster Small · Flat Silver×2
• Bar 1 x 6 [Closed Studs] · Light Bluish Gray×1
• Bar Holder with Clip · Light Bluish Gray×1
• Brick 1 x 2 · Dark Purple×1
• Brick Arch 1 x 6 x 2 - Thin Top without Reinforced Underside [New Version] · Light Bluish Gray×1
• Brick Curved 4 x 1 Double with No Studs · Dark Bluish Gray×1
• Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end · Light Bluish Gray×1
• Brick Round 1 x 1 Open Stud · Trans-Yellow×1
• Brick Round 2 x 2 [Grill] · Dark Bluish Gray×1
• Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] · Dark Bluish Gray×1

The twenty most numerous parts, longest bar first. Start a checklist to see all 45 part types and tick them off as you find them.