Strike Industries AR Mil-Spec Buffer Housing for Mil-Spec Buffers, Red - SI-AR-BH-MIL-RED

Strike Industries AR Mil-Spec Buffer Housing for Mil-Spec Buffers, Red - SI-AR-BH-MIL-RED - Buffer Tube Assembly for AR-15 - view 1
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Strike Industries

Overview

The Strike Industries AR Mil-Spec Buffer Housing is designed to work with Mil-Spec buffers, providing a reliable foundation for your buffer tube assembly. Constructed from durable aluminum and finished with hardcoat anodizing, this buffer housing ensures longevity and resistance to wear. This component is frequently found in builds featuring a mid-length gas system and chambered for 5.56 NATO, making it a practical choice for those configurations.

Specifications

MPNARBHMILRED
ColorRed
Buffer Tube SpecMil-Spec
AssemblyBuffer Only
MaterialAluminum
FinishHardcoat Anodized

Available Merchants(7)

Prices checked

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Palmetto State Armory logo
Palmetto State Armory
$9.99 shipping (free over $99)
Shipping Speed
In Stock
$16.95
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
Shipping Speed
In Stock
$16.95
KY Gun Company logo
KY Gun Company
Flat rate shipping
Shipping Speed
In Stock
$16.95
Classic Firearms logo
Classic Firearms
Shipping varies
Shipping Speed
In Stock
$17.23
Optics Planet logo
Optics Planet
Free shipping over $49
Shipping Speed
In Stock
$17.99
Brownells logo
Brownells
Free shipping over $99
Shipping Speed
Out of Stock
$16.99
Ammunition Depot logo
Ammunition Depot
~$28.90 est. shipping
Shipping Speed
Out of Stock
$17.99

October 2026 so far on GunPartPicker

Strike Industries AR Mil-Spec Buffer Housing for Mil-Spec Buffers, Red - SI-AR-BH-MIL-RED ranks #16 of the 99 buffer tube kits builders have added on GunPartPicker so far in October 2026, behind the Strike Industries Advanced Receiver Extension Buffer Tube Black, with about 2% of all buffer tube kits added to builds. Down from #11 in September. Builds with this buffer tube assembly are mostly chambered in 5.56 NATO (82%), split between mid-length (56%) and carbine-length (26%) gas systems, and mostly AR-15 (95%).

It was in stock most days in September 2026, and today 5 of the 7 retailers we track have it in stock. Prices barely moved in September 2026, holding around $16.99, so there haven't been real sales lately. Buying today, the lowest price is $16.95 at Palmetto State Armory, which matches the best price we saw in September.

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Not sure which buffer tube assembly to pick?

We ranked every buffer tube assembly by how often it shows up in real builds on GunPartPicker.

Read the guide: AR-15 Buffer Tube Assembly Guide →

Frequently Built With

The part most often added in each category by hundreds of builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

94.8%
AR-1594.8%
AR-104.4%
AR-90.7%

Caliber

81.5%
5.56 NATO81.5%
300 Blackout6.2%
.308 Win4.9%
.223 Wylde2.5%
6.5 Creedmoor2.5%
Other2.4%

Gas System

56.1%
Mid-Length56.1%
Carbine26.3%
Pistol8.8%
Rifle7%
Blowback1.8%

Builds Featuring This Part

See all builds →

Builds in the community that include the Strike Industries AR Mil-Spec Buffer Housing for Mil-Spec Buffers, Red - SI-AR-BH-MIL-RED

BuildPartsTotal
LMT 16" build
LMT 16"
28$2670.97
fn america 20" .350 legend build
fn america 20" .350 legend
18$2188.64
For 2 gun 18" build
For 2 gun 18"
26$2890.79
fn america 14.5" build build
fn america 14.5" build
29$2243.11

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