MVB ARC-Xti Titanium Rail Light Weight PDW Stock Kit for AR15

Now: $455.00
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Please allow up to 14 business days for delivery.


This is a modified version of our ARC Stock made to be light weight. We have cut into the Base and Butt Pad to reduce weight and also made the rails out of aircraft grade 6/4 titanium that has been nitrided for super wear resistance.

This is a 5 – position collapsible stock for an AR-15 rifle.  Works with any existing Mil-Spec Bolt Carrier allowing use with both gas impingement and gas piston systems.  Requires only one-handed operation and will lock in the closed, intermediate and extended positions.  Supplied with Springs and buffer.

H1 Buffer is standard size buffer (3.9 oz)
H0 Buffer is 3.1 oz
H2 Buffer is 4.6 oz
H3 Buffer is 5.3 oz
PWS Buffer is 4.7 oz and is specific to the PWS upper system.
9mm Buffer is 5.3 oz
PC-H Buffer is 8.5 oz (Not recommended for use in full auto weapons or weapons with a binary trigger systems.)

PWS MK1 MOD1 uppers, rifles and pistols produced from 01-01-13 to 12-31-15 were equipped with a carrier with added mass in the tail that requires our PWS specific smaller diameter buffer for the ARC Stocks.
For all PWS MK1 MOD2 uppers and firearms, the carrier has the standard carrier tail bore dimensions and is compatible with our standard diameter buffers

Weight:                                                          16.2 oz.
Length Collapsed:                                       4 – 7/8″   (from lower receiver buffer extension)
Length Extended:                                        8 – 7/8″
Postion increments:                                    5 x 1″

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