FEATURES
WARNING: The standard Adams Arms gas piston system is not compatible with the MTS uppers.

• See MTS gas piston system in our catalog for the correct Adams Arms MTS gas piston system.






• Comes standard with laser engraved "T" numbers*(V2).

• Comes with dust cover and forward assist installed.

• Single-rail with smooth hand guard, featuring multiple holes for modular rail attachments.

• Now fluted for lightening and a more aggressive look*(V2).

• Machined to be compatible with the BAD lever*(V2).

• One 3" Modular rail is included with the Carbine and Mid length MTS, & One 4" Modular rail is included with the Rifle length MTS. Modular rails are also (sold separately) & are available in 2", 3", 4" & 6" lengths for specific tactical needs.

• True light-weight billet monolithic design.

• Redesigned dust cover hinge pin for a quality appearance.

• 7075-T6 aircraft grade aluminum alloy.

• Based off our billet upper design, so it matches perfectly to our billet lower, but is compatible with any mil-spec lower.

• Redesigned barrel nut and thread allows use of any stock barrel.

• MTS-120 Pistol accepts only one 2" rail on the bottom and no rails on the sides*.

• For hand guard dimensions including I.D., length, and hand guard width see the following PDF.


• Barrel nut and wrench included.
MTS-900-C | Pistol & Carbine length wrench
MTS-900-M | Mid length wrench
MTS-Nut | Barrel nut

• Weights
MTS-120 Pistol 16 oz
MTS-220 Carbine 18 oz
MTS-320 Mid 20 oz
MTS-420 Rifle 23 oz

• Offered in
Part# MTS-120 Pistol M.S.R.P.*
Part# MTS-220 Carbine M.S.R.P. $562
Part# MTS-320 Mid M.S.R.P. $592
Part# MTS-420 Rifle M.S.R.P $631
*The pistol length MTS Modular is being discontinued & and is only offered in the V1 while supplies last.