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KE Arms KP-15 Polymer Stripped Lower Receiver on a AR-15

AI illustration of a similar part on the gun.

AR-15 · Lower receiver

KE Arms KP-15 Polymer Stripped Lower Receiver

$80

Integrated fixed stock and grip. Maker says .450 Bushmaster is at your own risk. 7.62x39 steel mags can bind or fail to lock back in some magwells; an enhanced bolt catch or specific mag brand may be needed.

Build with this part

Opens the builder with this part fitted. Other parts change only if they have to.

Specs

IntegralYes

Pros and cons

Pros
  • Receiver, grip and fixed stock in one molded part
  • Glass-filled nylon, light and corrosion proof
  • M-LOK and QD sling points built in
Cons
  • Fixed 13 in stock, no separate stock or grip choice
  • Needs standard carbine buffer and spring only
  • Maker lists big bores like .450 BM as own risk

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