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  9. Black M4-Style Adjustable LR-308/AR-10 Carbine Stock Kit with 6-Position Buffer Tube, 3.76 oz. Buffer, Extra Power Spring, End Plate & Castle Nut

Black M4-Style Adjustable LR-308/AR-10 Carbine Stock Kit with 6-Position Buffer Tube, 3.76 oz. Buffer, Extra Power Spring, End Plate & Castle Nut

Part Number: CO-66218
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Retail Price:$58.99
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Availability: In Stock

Details

Black M4-Style Adjustable LR-308/AR-10 Carbine Stock Kit with 6-Position Buffer Tube, 3.76 oz. Buffer, Extra Power Spring, End Plate & Castle Nut

This kit bundles an M4-style, 6-position adjustable carbine stock in black with a complete LR-308/AR-10 buffer system, built for LR-308/AR-10 pattern platforms using compatible carbine buffer systems. It includes a mil-spec 6-position carbine receiver extension, a 3.76-ounce LR-308 collapsible stock carbine buffer, an AR-10 carbine extra power buffer spring, a US Tactical mil-spec receiver end plate, and a Davidson Defense mil-spec castle nut.

Key Features

  • M4-style, 6-position collapsible carbine stock in matte black
  • Reinforced polymer construction, traditional M4 carbine profile, molded cheek-weld surface
  • Mil-spec heavy-duty carbine receiver extension, 6061 aluminum, Type II anodized, black
  • 3.76 oz. LR-308 collapsible stock carbine buffer
  • AR-10 carbine extra power buffer spring, 17-7 stainless steel, made in the USA
  • US Tactical mil-spec receiver end plate and Davidson Defense mil-spec castle nut included

Stock

The stock follows a traditional M4 carbine profile, molded from reinforced polymer in matte black, with a molded upper cheek-weld surface and a molded, textured rear buttplate. Length of pull adjusts across 6 positions using a spring-loaded position adjustment lever, and the stock includes an integrated rear sling loop.

Buffer Tube and Buffer

The buffer tube is a mil-spec, heavy-duty 6-position carbine receiver extension machined from 6061 aluminum and finished in Type II anodizing, measuring 7.15 inches long with a 1.145-inch outer diameter, a 1-inch inner diameter, and a weight of 3.8 ounces, built for LR-308/AR-10 pattern platforms. It's paired with a 3.76-ounce LR-308 collapsible stock carbine buffer, along with an AR-10 carbine extra power buffer spring machined from 17-7 stainless steel and made in the USA. A Davidson Defense mil-spec castle nut in black and a US Tactical mil-spec receiver end plate complete the receiver extension hardware.

Follow all manufacturer instructions and safe handling practices.
Ensure compliance with all applicable federal, state, and local laws.

Specifications

Platform Compatibility: LR-308 / AR-10 Pattern Platforms Using Compatible Carbine Buffer Systems

Product Type: Adjustable Carbine Stock and Recoil System Kit

Stock Style: M4-Style Collapsible Carbine Stock

Stock Adjustment: 6-Position Adjustable

Stock Material: Reinforced Polymer

Stock Color: Black

Stock Finish: Matte Black

Stock Adjustment System: Spring-Loaded Position Adjustment Lever

Stock Buttplate: Molded Textured Rear Buttplate

Stock Sling Attachment: Integrated Rear Sling Loop

Stock Profile: Traditional M4 Carbine Profile

Cheek Rest: Molded Upper Cheek-Weld Surface

Buffer Tube Type: Mil-Spec Carbine Receiver Extension

Buffer Tube Material: 6061 Aluminum

Buffer Tube Construction: Heavy-Duty Machined Aluminum

Buffer Tube Finish: Type II Anodized

Buffer Tube Color: Black

Buffer Tube Adjustment Positions: 6

Buffer Tube Outer Diameter: 1.145"

Buffer Tube Inner Diameter: 1"

Buffer Tube Overall Length: 7.15"

Buffer Tube Weight: 3.8 oz.

Buffer Type: LR-308 Collapsible Stock Carbine Buffer

Buffer Weight: 3.76 oz.

Recoil Spring: AR-10 Carbine Extra Power Buffer Spring

Recoil Spring Material: 17-7 Stainless Steel

Recoil Spring Origin: Made in the USA

Receiver End Plate: US Tactical AR-15 / M16 Mil-Spec Receiver End Plate

Castle Nut: Davidson Defense AR-15 Mil-Spec Carbine Castle Nut

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