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DOUBLE STAR
AR-15/M16 BUFFER TUBES

841348103516 100004978

Description
Ratings (6)

For M4-Style Buttstocks; Gives 6-Position Adjustment

Machined aluminum receiver extension tubes accept an M4-style adjustable carbine buttstock. Six precision-machined notches on the underside provide plenty of options for setting length-of-pull. Perfect for a custom build, installing a mil-spec or commercial stock on a civilian carbine, or updating a fixed-stock rifle with an adjustable M4 stock. Machined from a lightweight aluminum extrusion then hardcoat anodized, and dry film lube-coated inside for smooth movement of the buffer and buffer spring. Requires carbine recoil spring and buffer, lock ring, and receiver plate, all available separately.

SPECS: Aluminum, hardcoat anodized, matte black. 7-7⁄8" (20cm) long. Mil-spec – 7-3/16” (18.25cm) long, 1.145" O.D. Commercial – 7-7⁄8" (20cm) long, 1.167 O.D.

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Customer ratings for DOUBLE STAR MIL-SPEC BUFFER TUBE ASSEMBLY

Number of ratings: 6
From brownells.com: 6
Average rating: 4.3

Great product for the money (17/02/2013)

I've mounted this on a new AR build. It worked perfectly. No issues whatsoever. It looks good, functions perfectly, and for the money, this was a good buy. I will certainly buy many more of these.

Feels very sturdy. (08/04/2015)

Used on a new build. Extension feels very sturdy, perhaps even slightly heavier that some other extensions on the market. Magpul stock fits nice and snug.

Not really Mil-Spec (12/02/2010)

Since this receiver extension has an angled end it will not allow the magpul MOE stock detent to engage in the first hole in the stock. This prevents the MOE stock to fully collapse. Essentially the extension bottoms out because the end of MagPul stocks is closed, not open. Aside from that it is a nice receiver extension.

Not Mil Spec (23/03/2011)

This Tube is not Mil-Spec as listed on Brownells.

Too Long (23/03/2011)

Purchased this to put on a Bushmaster. It is 1/2 inch too long and sticks out the end of the buttstock when completely collapsed.

Good for the price (26/08/2014)

Though this buffer tube isn't really mil spec its still got good fit and finish for the price. I recommend it.

Read 6 more ratings on brownells.com

48.9 48.9 2 GBP

Product no.: 100004978
DOUBLE STAR MIL-SPEC BUFFER TUBE ASSEMBLY
Mfr Part: AR355M 841348103516 Machined aluminum receiver extension tubes accept an M4-style adjustable carbine buttstock. Six precision-machined notches on the underside provide plenty of options for setting length-of-pull. Perfect for a custom build, installing a mil-spec or commercial stock on a civilian carbine, or updating a fixed-stock rifle with an adjustable M4 stock. Machined from a lightweight aluminum extrusion then hardcoat anodized, and dry film lube-coated inside for smooth movement of the buffer and buffer spring. Requires carbine recoil spring and buffer, lock ring, and receiver plate, all available separately.

48.9 GBP 5 £48.90 *

Delivery time approx. 7-14 days.
5 pcs. in the USA warehouse

Specs: Make: AR-15 Style: Mil-Spec, Carbine

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Top takeaways

Machined aluminum buffer tube assembly suitable for M4-style adjustable carbine buttstocks with six notches for length-of-pull customization.
Compatible with AR-15 and designed for use with mil-spec or commercial stocks; requires additional parts for complete installation.
Hardcoat anodized for durability with a dry film lube-coated interior for smooth buffer operation; available in mil-spec and commercial sizes.

Attributes

Make: AR-15 Style: Carbine,Mil-Spec Delivery weight: 0.136kg Shipping height: 30mm Shipping width: 69mm Shipping length: 157mm UPC : 841348103516

Item details

Made in USA
US export classification: 0A501.y.1

Product no.: 100010683
DOUBLE STAR COMMERCIAL BUFFER TUBE ASSEMBLY
Mfr Part: AR355 841348103509 Machined aluminum receiver extension tubes accept an M4-style adjustable carbine buttstock. Six precision-machined notches on the underside provide plenty of options for setting length-of-pull. Perfect for a custom build, installing a mil-spec or commercial stock on a civilian carbine, or updating a fixed-stock rifle with an adjustable M4 stock. Machined from a lightweight aluminum extrusion then hardcoat anodized, and dry film lube-coated inside for smooth movement of the buffer and buffer spring. Requires carbine recoil spring and buffer, lock ring, and receiver plate, all available separately.

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Not available.

Specs: Make: AR-15 Style: Commercial

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Upgrade your AR-15 with the DOUBLE STAR Mil-Spec Buffer Tube Assembly! 🛠️ Lightweight aluminum, adjustable, and perfect for custom builds.

Description
Ratings (6)

For M4-Style Buttstocks; Gives 6-Position Adjustment

SPECS: Aluminum, hardcoat anodized, matte black. 7-7⁄8" (20cm) long. Mil-spec – 7-3/16” (18.25cm) long, 1.145" O.D. Commercial – 7-7⁄8" (20cm) long, 1.167 O.D.

More...

Customer ratings for DOUBLE STAR MIL-SPEC BUFFER TUBE ASSEMBLY

Number of ratings: 6
From brownells.com: 6
Average rating: 4.3

Great product for the money (17/02/2013)

I've mounted this on a new AR build. It worked perfectly. No issues whatsoever. It looks good, functions perfectly, and for the money, this was a good buy. I will certainly buy many more of these.

Feels very sturdy. (08/04/2015)

Used on a new build. Extension feels very sturdy, perhaps even slightly heavier that some other extensions on the market. Magpul stock fits nice and snug.

Not really Mil-Spec (12/02/2010)