Aero Precision APAR600001C M4E1 Stripped Lower Receiver AR-1

The Ruger Precision Rifle is purpose-built for long-range target
work. Some of it’s numerous features include:

Cold hammer-forged,
chrome-moly 1:8 steel barrel with 5R Rifling.
In-line recoil path
manages recoil directly from the rear of the receiver to the
buttstock.
Patented
multi-magazine interface functions interchangeably with AICS and
M110/SR-25/DPMS/Magpul-style magazines (works with some M14
magazines).
Ruger Marksman
Adjustable trigger is externally adjustable, with a trigger pull
range of 2.25 to 5 pounds.
Ruger Precision MSR
folding stock with QD sling attachment points, a bottom Picatinny
rail and soft rubber recoil pad and adjustable LOP & comb height.
A Ruger Precision
Rifle Hybrid Muzzle Brake to effectively reduce recoil while
minimizing noise and blast to the sides of the shooter.
15″ aluminum
free-float handguard is black hard-coat anodized aluminum and
features Magpul M-LOK slots on all four sides for improved scope
clearance for long-range scopes and easy mounting of M-LOK-compatible
rails and accessories.
Ambidextrous manual
safety for left- or right-handed lever manipulation.
Three-lug bolt with
70° throw features dual cocking cams and a smooth-running, full
diameter bolt body. Bolt body is nitrided for corrosion resistance,
smooth operation and durability.
Oversized bolt
handle
Includes two,
10-round Magpul® PMAG® magazines.