Survivor Systems Option Zero Featureless Lower Build Kit - Black

Survivor Systems Option Zero Featureless Stock

The Option Zero Featureless Stock by Survivor Systems, Inc. is the most advanced featureless stock on the market.

On-board extra magazine storage
This feature is unique to the Option Zero featureless stock and is a big reason why Survivor Systems has been chosen as a preferred supplier by large AR-15 brands and manufacturers. This feature is useful for any situation but especially helpful when located in a state like California that restricts magazine capacity to 10 rounds. This allows you to legally double your on-board ammunition capacity. No other featureless stock offers this functionality.

Control and Ergonomics 
This featureless stock offers one of the best, if not the best control of a restricted state compliant AR-15. The feel is said to be similar to the “precision marksman” grip taught to most snipers and target shooters. Wide comb provides a match rifle worthy cheek weld.

Durability and Ruggedness
Glass filled injection molded nylon along with brass and stainless hardware.

NBS Mil-Spec Buffer / Receiver Extension Kit

• Mil-Spec Carbine Buffer Tube / Receiver Extension
• Made in the USA
• 7075-T6 Aluminum
• Carbine Buffer Spring
• Castle Nut/Receiver Nut
• Mil-Spec Receiver End Plate
• 3oz Carbine Buffer w/ Tungsten Steel Counter Weights
• Lifetime Warranty Provided by AR-15Discounts.com

ODIN Works 5.56/.223 Lower Parts Kit includes:

Bolt Catch, Bolt Catch Plunger, Bolt Catch Roll Pin, Bolt Catch spring Buffer, Retainer, Buffer Retainer spring Disconnect, Disconnect spring Hammer (black or silver in color), Hammer Pin, Hammer spring Magazine Catch, Magazine Catch Button, Magazine Catch spring Pistol Grip (A2 style), Pistol Grip Lock Washer, Pistol Grip Screw, Pivot Pin, Pivot Pin Detent, Pivot Pin Detent spring Selector, Selector Detent, Selector Detent spring Takedown Pin, Takedown Pin Detent, Takedown Pin, Detent spring Trigger (black or silver in color), Trigger Guard, Trigger Guard Roll Pin, Trigger Pin, Trigger Spring