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Phase 5 Weapon Systems
Overview
The Phase 5 Version 2 Extended Bolt Release (EBRV2) is designed to enhance the functionality of your AR-15 by providing an extended surface area for easier access during bolt manipulation. This extended design allows for more intuitive operation, especially in high-stress situations, making it easier to lock the bolt back or release it without shifting your grip. You'll often find this component in builds utilizing a mid-length gas system chambered in 5.56 NATO, where quick and efficient handling is essential.
Prices checked
Phase 5 Version 2 Extended Bolt Release, 2.15" - EBRV2 is the fourth most added bolt catch on GunPartPicker so far in October 2026, behind the CMMG AR-15 Bolt Catch, with about 8% of all bolt catches added to builds. That's its 3rd straight month at #4. Builds with this bolt catch are mostly chambered in 5.56 NATO (69%, then .223 Wylde 10%), split between mid-length (54%) and carbine-length (22%) gas systems, and mostly AR-15 (91%).
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today all 4 retailers we track have it in stock. The best price crept up from $60.99 to $67.99 over September 2026. Buying today, the lowest price is $59.99 at Brownells, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every bolt catch by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Bolt Catch Guide →The part most often added in each category by hundreds of builds that include this one

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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Phase 5 Version 2 Extended Bolt Release, 2.15" - EBRV2
| Build | Parts | Total |
|---|---|---|
![]() | 23 | $3994.01 |
![]() | 27 | $2383.42 |
![]() | 30 | $5660.44 |
![]() | 29 | $7112.14 |
| 24 | $6576.56 | |
![]() | 25 | $2481.24 |
![]() | 19 | $2869.32 |
![]() | 25 | $2290.87 |
![]() | 34 | $4805.67 |
![]() | 18 | $2188.64 |
![]() | 20 | $2433.88 |
![]() | 34 | $7182.59 |
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