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Ar-15 M4 Complete Lower Receiver 5.56mm Colt.
The Perfect Foundation for the Rifle of Your Dreams
Looking to build your next AR-15 rifle? The Colt AR-15 M4 Complete Lower Receiver provides AR builders with the perfect foundation upon which to construct the rifle of their dreams.
The Colt AR-15 M4 Complete Lower Receiver is made entirely from 7075-T6 aluminum and features a black hardcoat-anodized finish for added durability.
- Marked for 5.56 NATO
- •single-stage semi-automatic trigger group
- Equipped with M4-style buttstock and pistol grip
The Colt AR-15 M4 Complete Lower Receiver is built using the same parts and the same attention to detail as the company's popular line of LE6920 AR-15 rifles.
Ar-15 M4 Stripped Upper Receiver Black Brownells.
A Solid Foundation for Your Next Custom Build
Sometimes you want the latest, updated, tweaked component, and sometimes you need a basic stripped receiver where the production effort goes into quality, rather than bells and whistles. The Brownells M4 Stripped Upper Receiver is that component - the perfect starting point for many an AR-15 build.
Starting with a 7075 T6 aluminum forging, our stripped M4 flattop upper is precision machined to final dimensions that make it compatible with the multitude of available "mil-spec" AR-15 components. It has a matte black, Type III hardcoat anodized finish, mirroring the military requirement.
- Machined from 7075-T6 aluminum forging
- Matte black Type III hardcoat anodized finish
- Mil-spec dimensions for maximum parts compatibility
- Standard .250" dia. pivot/takedown pin holes
- T-marked Picatinny top rail
Inside our upper features M4 feed ramps to aid in chambering during high rates of fire. And outside the T-marks in the Picatinny rail’s slots are painted to aid in fast exchanges of optics.
Please note: this is a truly stripped upper receiver, with NO forward assist or ejection port cover installed, so you can truly customize every aspect of your rifle. The Brownells M4 Stripped Upper Receiver is a top-tier upper receiver, at a great price.
Big Book Catalog, Issue:71, Page:002
Sba3 Pistol Stabilizing Brace 5-Position Adjustable Sb Tactical.
5 Positions for Maximum Versatility
The SB Tactical SBA3 Pistol Stabilizing Brace adds 5 positions of adjustments for the perfect fit as well as offering all of the benefits of a pistol arm brace.
The minimalist design features compatibility with a standard mil-spec carbine receiver extension, an ambidextrous QD socket, and an adjustable nylon strap.
- 5-position pistol stabilizing brace
- Includes Mil-Spec carbine extension
- Fits: Mil-Spec AR15 receivers
- Weight: 6.75 oz.
- 6.1” long and 1.8” wide
Available in both black and flat dark earth, the SB Tactical SBA3 Pistol Stabilizing Brace is a great addition to your next AR pistol build.
Does not include the lock nut or end plate. Those will need to be purchased separately.
Big Book Catalog, Issue:71, Page:050