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AR-15 Stock 3D Models: STL Files for 3D Printing

This collection gathers 3D-printable stock parts for AR-15 and M4 pattern bodies, mostly from airsoft and Nerf projects. It covers collapsible stocks, butt plates, adapters, recoil pads and small storage inserts. It helps if you want to print a stock or a replacement part instead of sourcing one. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

このコレクションの本文は英語で書かれています。検索自体はどの言語でも使えます。

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選定基準：Polyzon編集部 · 本文の更新日：2026年10月11日

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«AR-15 Stock 3D Models: STL Files for 3D Printing»

The files fall into a few groups. Collapsible and compact stocks make up most of the list, usually shaped for airsoft M4/AR15 bodies, while others are plain butt plates or adapters that join a stock tube to a different receiver. Nerf conversions reuse the same stock outline on a blaster shell, and a smaller group covers pads, nut wrenches and hollow compartments.

On the author's model page, note the tube diameter and the mounting method first, since a stock made for one body may not match another. Check how many parts the design has, whether they pin or screw together, and which material and settings the author lists. Photos of real prints show how surfaces and layer lines come out, and long thin arms or latch details often call for a different filament than the main body.

To widen or narrow the search, try synonyms such as stock, buttstock, buffer tube, cheek rest, recoil pad and sling mount, combined with airsoft, M4, AR-15 or Nerf. Related topics include grips, handguards, rail accessories and magazine holders, which often sit in the same collections as stock files.

FAQ

よくある質問

What should I check before printing an AR-15 style stock?
Look at the tube diameter, the mounting method and the number of parts on the model page, then compare them with the body you plan to use.
Can these stocks be printed in different materials?
Authors usually list a material and settings. A stiff filament is common for the main body, while a softer one is often chosen for pads and grips.
Do these stock models need supports?
It depends on the orientation the author shows. Some designs are split into parts to avoid overhangs, others need supports along the underside.
How do I find a stock for a specific airsoft or Nerf body?
Search with the body name plus stock, adapter or buffer tube, and read the model page notes and photos to see how the part was used.
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