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Samson
Overview
The Samson B.R.E. MP5K End Cap Folding Bufferless Receiver Extension is designed to provide a compact and versatile solution for your firearm build. Its ambidextrous design allows for easy operation regardless of the shooter's preference, making it an excellent choice for those looking to enhance maneuverability in tight spaces. This end cap is often seen in builds where space-saving and lightweight configurations are prioritized, particularly in compact setups.
Samson B.R.E. MP5K End Cap Folding Bufferless Receiver Extension Ambidextrous Black
Prices checked
Builders have added the Samson B.R.E. MP5K End Cap Folding Bufferless Receiver Extension Ambidextrous Black to their builds on GunPartPicker. Since April 2026, it ranks #87 of the 212 buffer tube kits builders have added.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today the one retailer we track has it in stock. Prices barely moved in October 2026, holding around $269.37, with no real sale all month. Buying today, the lowest price is $269.37 at Optics Planet, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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 →Check it against the live catalog:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Samson B.R.E. MP5K End Cap Folding Bufferless Receiver Extension Ambidextrous Black
| Build | Parts | Total |
|---|---|---|
![]() | 37 | $18813.84 |
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