Free State Gun Company

innovation meets Industry.

The SAS-M8 is a precision-engineered lower receiver that bridges MAC-11 uppers with AR-15 reliability, delivering American-made quality for builders who demand no compromises.

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principals of great design: cRAFTSMANSHIP

There’s very little in the world that takes breath away quite like an object that was crafted, built with care and passion, and presented with the sort of pride that befits a marvelously well-made item. That which is beautiful is increasingly difficult to come by in a world where a premium is placed on speed, and things are made to be disposable. We often sacrifice real craftsmanship at the altar of expediency. While we are still capable of recognizing the value of something that has been expertly constructed, we often choose the cheap and easy option instead.

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ACCESSORIES

meet the SAS-9 Built for MAC-11 uppers. Ready for your build.
Precision-engineered. American-made. Built to last. Shop now

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Precision Engineered: Every Detail Perfected for the SAS-9

- Comes in both a Left Handed and Right Handed Model
- 1913 Adapter on the back of the reciver for a Stock/Brace
- Desigined to use AR-15 Internals and Glock Magazines
- Compatible with the AVES or Velocity Arms Mac 11 Upper
- Replaceable feed ramps.

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Check out our Typhoon Accessories

Discover our handpicked selection of top-quality defense products, tailored to meet your needs.

SALE

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ITEM# 5c08ac96-0cf2-a4d8-1c90-fea1032429f6

3 PACK 10MG 10 Round Magazine

Was: $139.99

Now: $70.99

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ITEM# 62cb2fcf-9fcb-8f48-b05e-3bb241670112

10MG 10 Round Magazine

Was: $59.99

Now: $29.99

BUY NOW The item has been added

SALE

ITEM# 3c396d3f-ff3f-56fa-e5ea-04d3e53d3665

2MG 2 Round Magazine

Was: $39.99

Now: $5.99

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ITEM# 9b13795d-45ab-e012-a40f-28afc2bda6c3

20MG ROUND MAGAZINE

Was: $99.99

Now: $29.99

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ITEM# 9f4a59ee-887a-982a-a8b5-6ccf9aba6b84

Skeletor 12 - Rapid Loading 20 Round Drum Magazine

$159.99

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ITEM# 09068481-3c2d-cf4d-0f2c-a3804d9ab5ed

F12 RAIL KIT

$29.99

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ITEM# cd419446-611a-e638-1b33-95809a5b41df

Magazine Loader

Was: $49.99

Now: $9.99

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SALE

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ITEM# b9b4e63e-ec34-6103-8f3d-917499ad0e9e

3 PACK 20MG ROUND MAGAZINE

Was: $249.99

Now: $74.99

BUY NOW The item has been added

Free State Gun Company SAS-M8

The SAS-M8 is the newst variation of Mac-11 lowers that we have brought to the market. Pre order will available 5/22/2026 with an estimated wait of 4-8 weeks. Check the out the Free State products page to learn more about the SAS-M8.

Update 7/9/2026 - All Virginia orders have been fulfilled and we are now working to get Colorado orders fulfilled with their incoming ban, as well as we are knocking out the remaning SAS-9 & SAS-M8 order's ASAP, we apprecaite your patience and support, feel free to contact us with any questions.

If you are sending a Mac-11 upper to get modified to fit your lower send it to 16635 Midland Drive Shawnee, Kansas 66217 and please include your name and order number in the box.