J
jebstewart11no complaints
Reviewed on April 18, 2026Verified with Build
QD socket holds tight
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Bravo Company Manufacturing Mk2 Receiver Extension
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Bravo Company
Overview
The Bravo Company Manufacturing Mk2 Receiver Extension is a Mil-Spec carbine buffer tube made from durable 7075-T6 aluminum, designed to withstand the rigors of heavy use. This tube only assembly provides a reliable foundation for your buffer system, ensuring optimal performance in your AR-15 build. It is commonly found in builds featuring a Mid-Length gas system chambered in 5.56 NATO, making it a versatile choice for various shooting applications.
Specifications
MPNBCM-MK2-RE
Material7075-T6 Aluminum
ColorBlack
AssemblyTube Only
Buffer Tube TypeCarbine
Buffer Tube SpecMil-Spec
Frequently Built With
Based on build data
CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B
Strike Industries Extended Bolt Catch
Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C
Fortis Lightweight Enhanced AR-15 End Plate, Gold - LE-BLK-K1-GOLD
Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK
B5 Systems Trigger Guard ATG-001-01
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
80%
AR-1580%
AR-1020%
CaliberBased on real build data showing which calibers builders choose alongside this product.
50%
.223 Wylde50%
5.56 NATO50%
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
66.7%
Mid-Length66.7%
Intermediate33.3%
| Product | Category | Times Built Together |
|---|---|---|
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 48 | |
| Strike Industries Extended Bolt Catch | 48 | |
| Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C | 46 | |
| Fortis Lightweight Enhanced AR-15 End Plate, Gold - LE-BLK-K1-GOLD | 45 | |
| Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK | 38 | |
| B5 Systems Trigger Guard ATG-001-01 | 38 |
| Platform | Percentage |
|---|---|
| AR-15 | 80% |
| AR-10 | 20% |
| Caliber | Percentage |
|---|---|
| .223 Wylde | 50% |
| 5.56 NATO | 50% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 66.7% |
| Intermediate | 33.3% |
Builds Featuring This Part
See all 16 →Builds in the community that include the Bravo Company Manufacturing Mk2 Receiver Extension
| Build | Parts | Total |
|---|---|---|
 | 23 | $2355.21 |
 | 28 | $3571.20 |
 | 29 | $3986.88 |
 | 27 | $3285.23 |
 | 20 | $1633.57 |
 | 27 | $1995.12 |
 | 22 | $1304.67 |
 | 24 | $2860.43 |
 | 33 | $6259.47 |
 | 28 | $3838.35 |
 | 26 | $2283.48 |
 | 28 | $3253.25 |
Customer reviews
4.5out of 5
2 global ratings
Top reviews
D
dusters16_recceBCM Mk2 extension heavier
Reviewed on March 19, 2026Verified with Build
BCM Mk2 receiver extension is comfortable to shoulder but heavier than I expected for the application. Anodize is the matte black BCM uses. Six positions click positively. Threads to a standard milspec castle nut. Quality construction.
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