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AI illustration of a similar part on the gun.
AR PDW · Lower receiver
Polymer stripped lower
$60
Build with this partOpens the builder with this part fitted. Other parts change only if they have to.
Specs
| Magwell | 556 |
Pros and cons
Pros
- Lightest lower type
- Cheapest lower type
- Won't corrode
Cons
- Less durable than forged aluminum
- Buffer tube area can crack under heavy use
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