Tag Archives | SMOS Arms

Sneak Peek: SMOS Arms Upper Machined to Match Contours of Geissele Super Modular Rails

Geissele Automatic’s Super Modular Rails (SMR) are popular for good reason. They are excellent rails. Wouldn’t it be nice if there was an upper receiver available to match the contours of the SMR? SMOS Arms thinks so.

They recently gave us a sneak peek of a billet upper they are working on that will have contours designed to blend into the SMRs. Hopefully for SMR fans, this upper received actually makes it to market.


Geissele Automatics

New from SMOS Arms – SMR Quad Rail

SMOS Arms continues to grow their line of rails for the AR-15. Their latest, the SMR Quad Rail, is the first quad rail to join their offerings.


The SMR Quad Rail is available in 3 lengths: 9.1″, 12″, and 13.6″. It is machined from 6061 aluminum and features a forward and rear QD sling swivel cup on both sides of the rail. SMOS Arms has aggressively machined away any and all unnecessary material, even from the 1913 rail surface. The result is a rail that looks good and weighs less.

SMOS Arms is running an introductory special on these rails from now through Sunday (10/2). Enter the promo code GFYNATION to save $75 on an SMR Quad Rail.

Check out the SMR Rail at SMOS Arms.

Free Cerakote Special at Stubborn Mule Outdoor Supply

Stubborn Mule Outdoor Supply (SMOS) is offering a free Cerakote job in Coyote Tan with the purchase of one of their SM15 carbines throughout July.

SMOS arms cerakote

The SM15 is a very well appointed AR-15 carbine that features SMOS’ own SM13 M-LOK rail, a 16″ mid-length 1 in 8″ twist barrel, billet upper and lower receivers with large magazine well, and a host of other solid features like accessories from Magpul, AAC, V7 Weapons Systems. The upper, lower, and rail are all made in house.

Check out the SM15 at SMOS Arms.

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