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5.56 upper
The 5.56×45mm NATO (official NATO nomenclature 5.56 NATO, fyv-FYV-six) is a rimless bottlenecked intermediate cartridge family developed in the late 1970s in Belgium by FN Herstal. It consists of the SS109, SS110, and SS111 cartridges. On 28 October 1980 under STANAG 4172 it was standardized as the second standard service rifle cartridge for NATO forces as well as many non-NATO countries. The 5.56×45mm NATO cartridge family was derived from and similar in dimensions to the .223, but is not totally identical to the .223 Remington cartridge designed by Remington Arms in the early 1960s.
I have a new/unfired PSA 7 inch upper receiver with the following features:
Barrel: 7" 4150V Chrome Moly Vanadium steel, nitride coated and chambered in 5.56 NATO with a 1 in 7" twist. Pistol-length gas barrel is finished off with a PSA 6.5" Lightweight M-Lok Rail, a low profile gas block, and...
I am looking to sell my PSA 10.5" CARBINE-LENGTH 5.56 1/7 NITRIDE 12" SLANT M-LOK handguard upper, comes with magpul M-lok angled grip, mbus back up sights & FDE strike industries dust cover.
Willing to ship if needed.
Silencer Dedicated 11.5" 5.56 Upper
(will not cycle unsuppressed - recommended buffer / spring is H3 and Sprinco Blue): everything was assembled to mfg spec using the correct tools, aeroshell grease and rocksett - torque for flash hider and barrel nut was applied at...
Hello Everyone,
Looking to sell my 5.56 5.5" Sig Rattler complete upper, I shot maybe 20 rounds through it and decided I want to go another route with my build.
Looking for $1600 OBO for upper.
Willing to meet locally in the Puget Sound area. Willing to ship for additional $30.
Thanks for...
Nothing fancy needed really just looking for the upper, barrel & handguard. Shorter the better it's to make fireballs if your wondering haha. Have cash or parts/ammo/firearms to trade. Please PM to keep thread clean thank you.
Just got a new upper today, so im looking to pass this one along. Pretty decent setup here for the price.
Aero M4e1 Upper
Diamondback DB15 16" barrel 1:8 twist
STRIKE INDUSTRIES brake/comp
Diamondback DB15 Mlok Handguard
Aero Extended charging handle
Nickel Boron BCG (unknown brand) just...
Selling a 5.56 upper from Grid Defense. Bronze finish. 10.5 inch barrel. Has standard mil. Spec BCG and charging handle. Comes with osprey optics. Never been fired. Going a different route with my build. 400$
For sale is a used 16" DPMS 5.56 Upper in excellent condition. Twist is 1/9. Round count is around 250. Flip-up iron sights and Magpul hand-guards installed. No BCG or charging handle included. Willing to ship at buyers expense.
AR15 Complete Pistol Upper 11" 5.56
Ballistic Advantage Complete Upper (By Aero Precision)
Pencil profile barrel, R One MLOK Handguard, Rail Grips, Odin Muzzle Device.
Less than 200 rounds through it. 2 range trips.
$500
Reduced: $350 with no BCG.
$450 w/ New BCG
Pickup in Gresham or...
Upper parts list…..
-aero receiver
-ripcord insustries LDR1 handguard
-BA barrel
-aero gas block
-aero melonite gas tube
-a2 birdcage flash hider
-vortex sparc AR red dot
Looking for $400obo or willing to trade as well.
Trade interests…..
-surefire warden and muzzle device
OR
-handgun red dots...
For sale is an upper receiver built with the following parts:
Aero no forward assist upper receiver
2A Armament 15" Mlok handguard
Ballistic Advantage 16" 5.56 Hanson barrel with pinned gas block
Good upper that functions well and shoots accurately (getting about 1.5 MOA with my bulk 223...
I don’t need the BCG, or hand guard if u want to hang onto them.
Looking for one with a minimum of a 14.5in barrel.
On the table for trade:
EAA Bounty hunter pre-1990 one single action revolver
- a Phoenix HP22A with one magazine and box
- 9mm FMK 9C1G2 (new recoil spring, and just came back...
Have for sale or trade a 10.5” upper in 5.56 and a cloud defense OWL weapon light.
Upper
-aero receiver
-ripcord insustries LDR1 handguard
-BA barrel
-aero gas block
-aero melonite gas tube
-a2 birdcage flash hider
OWL weapon light
-original case
-charger
-2 batteries
Looking at $400obo for...
New, Triarc 10.5 upper, Triarc Track barrel with Triarc Nitride BCG and Surefire three prong flash hider. Never fired, decided to go with Geissele build instead. Skip the long wait time. Assembled from factory.
Will do partial trade for Sig P365X or XL model.
This upper came complete from Aero about 6 months ago. Selling to fund a custom M4 build. May be interested in trading for an M4 style railed upper
Upper will include Warne scope mount w/ built on rails & Sig Buckmaster 3-12x44 scope.
*BCG & Charging handle not included.