Kit is a limited production run featuring a premium medium weight chrome lined and "no-step down" contour barrel.
DSArms parts kit, complete minus lower receiver.
Part kit includes all of the following US made components:
DSA ZM4 A3 flat top complete barreled upper receiver assembly, with 16 inch No-Step Down Chrome-lined Barrel:
Forged 7075T6 A3 flat top Upper Receiver
Forged front sight tower with bayonet lug
A2 flash hider, ½ x 28 threads
16" No-Step Down contour 1:7 twist chrome lined barrel
5.56 NATO chamber
M4 style handguards
Aluminum delta ring
M4 style feed ramps
AR15/ZM4 lower parts kit with A2 grip includes:
Black A2 grip.
All semi-auto fire control parts & needed pins & springs.
Total of (31 pieces).
AR15/ZM4 M4 updated 6 position collapsible tactical buttstock assembly black DSA LOGO stock:
All made by DSA. Includes: 6-position Mil-Spec tube, buffer, spring , endplate, locknut
AR15/ZM4 alloy charging handle assembly complete with standard latch:
Made from 7075 T6 alloy forging. Type III hardcoat finish.
AR15 semi auto, complete bolt carrier group assembly, gas key installed, carrier chrome plated internally.
Completely assembled, includes bolt carrier, bolt, firing pin, cam pin, and retaining pin.
9310 Super Alloy Steel (7% stronger than Carpenter No. 158® Steel)
MPI Bolt (Magnetic Particle Inspected)
Hardened Steel Extractor
Heavy Duty Extractor Spring
Black Extractor Insert
Milspec Gas rings (3)
Proper 8620 steel
Chrome Lined Carrier
Properly Staked Chrome lined Gas Key
Grade 8 Gas Key Screws
Heady Duty M16 design
Cam Pin Hardened Steel Parkerized exterior
Firing Pin Hardened Steel Chrome Plated
Firing Pin Retaining Pin Harded Steel Black Oxide Exterior
All DS Arms AR15/ZM4 parts are proudly made in U.S.A. and carry a lifetime factory warranty that they be free from material and/or manufacture defect. Own with confidence, Own for lifetime, buy DS Arms manufactured products.
$16.90 Shipping for one Parts Kit.
$5.95 per additional parts kit up to Four kits.
To order Five or more Parts Kits please contact us for shipping quote.
Orders placed without quote will be modified prior to shipping with actual shipping costs.
Shipping to Alaska, Hawaii, or similar may require additional postage.
*Please Note* All kits now ship requiring a signature confirmation. If you know you are going to be out of town, or unable to receive during a certain week please leave a note in the customer comment section while placing your online order as to when you would like for us to ship your package so we can avoid charging you an additional $11 UPS Delivery Intercept Fee, per package. These charges occur for re-scheduling deliveries that are already in-route. Thank you.