Obsidian Arms OA-15C Builders Kit

This builders kits feautures an Obsidian Arms Billet OA-15C receiver set, handguard, and carbine buffer tube that has been cerakoted in "tiffany blue". Get it and start your new build today!!

Obsidian Arms OA-15C Lower Receiver

• Made in USA
• Integrated over sized trigger guard for higher strength
• Flared mag well for faster mag changes.
• AR-15 pattern and will work with any standard AR-15 upper
• Billet 7075 T6 Aluminum Alloy
• Black hard coat anodized (MIL-A-8625 Type III Class 2)
• 9.3 oz

Obsidian Arms OA-15C Upper Receiver

• Made in USA
• Removable Shell Deflector included
• No forward assist
• No ejection port cover
• Enlarged Ejection Port for Big Bore calibers such as .450 Bushmaster, .458 SOCOM, .50 Beowulf, etc.
• Will work with any standard AR-15 lower
• Will work with any standard AR-15 barrel
• Billet 7075 T6 Aluminum Alloy
• Black hard coat anodized (MIL-A-8625 Type III Class 2)
• 9.1 oz

Obsidian Arms 16.5" M-LOK Handguard

• Made in USA
• Best length for 18 inch or longer barrel
• M-LOK
• 6061-T6 Aluminum
• Black hard coat anodized (MIL-A-8625 Type III Class 2)
• Steel barrel nut included
• 13.8oz (including barrel nut)