Titanium Nitride CAM PIN

​$20 + S&H

Mag Release Buttons are manufactured by Modern Arms in Tempe, USA. Machined on state of the art CNC Machines, made from 60-61 aluminium.

Hard black anodize finish per Mil-A-8625 F(1) Type III Class II. 

cLICK THE CONTACT MODERN ARMS BUTTON FOR A QUOTE OR CALL +1.480.241.4367

p90 fULL-AUTO DISCONNECTOR SEAR

​$60 + S&H


Mag release Button

​$6 + S&H



Standard Mil Spec AR15 /16 charging handle.  Black anodized.  Complete with latch and spring. 


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Titanium Nitride Coated Modern Arms Cam Pins for the M16 / AR15 bolt carrier groups. These are made from 300 series Stainless Steel and have a lower coefficient of friction than the standard military spec cam pins.


These make any bolt carrier work smoother. This coating complies with aerospace specification AMS 2444A. Get em while you can.


Also available in Stainless Steel Finish for $15 + S&H


These Magpul Industry MBUS Pro Set is factory new.  The sights are all steel construction, positive detents in both the up and down positions, and standard AR sight height when deployed.  


The set includes the Front Sight (elevation adjustment knob-no tools required, .432" height above rail at tallest point when stowed, stowed footprint covers less than 1 5/8" of rail) and Rear Sight (selectable large and small same-plane apertures, .375" height above rail at the mid-point when stowed, and windage adjustable with low-profile knob)

MBUS Pro Set

​$200 + S&H


charging handle

​$15 + S&H

Buttstock spacer

​$4 + S&H

Machined new plastic full auto disconnector sear for replacing worn or damaged parts in a P90 machine gun. This sear can also be used by an FFL with an SOT to make a post dealer sample machine gun. We require a copy of your FFL and SOT for purchase of this item or Law Enforcement letter. No sales to New Jersey, Hawaii, California, New York, Connecticut or any other state that prohibits NFA firearms. Semi auto versions are available. Please specify at the time of order that you need a semi auto version.


All NFA rules apply.  As always buyers should also know the proper way to replace an existing component before they try to install this part. Modern Arms is not responsible for any damage caused to your hammer pack or weapon due to improper installation.


Buyer assumes all legal responsibility.

HK Translucent Magazines. Factory Heckler & Koch made in Germany.  These are for 5.56x45mm and are designed to fit the Ar15 / M16. can be disassembled without tools for cleaning.

HK mAGaZINE

​$22 + S&H



A2 Buttstock Spacers are manufactured by Modern Arms in Tempe, USA. Machined on state of the art CNC Machines, made from 60-61 aluminium.

Hard black anodize finish per Mil-A-8625 F(1) Type III Class II.