Grid Defense

Grid Defense 18" 6.5 Creedmoor Billet Upper - Black Upper Specifications Billet Upper Receiver Machined from 6061 Aluminum Fits DPMS Gen 1 Lower Receivers Made in the USA High Profile 15"...

Grid Defense Billet AR-15 80% Lower Receiver Machined from 6061-T6 Billet Aluminum Made in house in the USA Flared and Broached Magwell Optional Fire/Safe and Magazine Well Engravings Can be...

Grid Defense 18" 5.56 NATO Rifle Length Upper Receiver Chambered in 5.56 NATO 14" Free Float M-Lok Rail 18" 1:7 Twist Government Profile 4150 Barrel - Black Nitride Rifle Length Gas...

Blem Grid Defense AR-15 80% Lower Receiver - Raw Machined from 7075 Forged Aluminum Made in house in the USA Flared and Broached Magwell Raw Aluminum Finish Does not have Fire/Safe...

Grid Defense 16" 8.6 Blackout Billet Upper - Blue Titanium Billet DPMS High Profile Pattern upper 16" 4150 chrome moly barrel Carbine length gas system Chambered in 8.6 Blackout 1:10 Twist...

Grid Defense 16" 8.6 Blackout Billet Upper - Tungsten Gray Billet DPMS High Profile Pattern upper 16" 4150 chrome moly barrel Carbine length gas system Chambered in 8.6 Blackout 1:10 Twist...

Grid Defense 16" 8.6 Blackout Billet Upper - OD Green Billet DPMS High Profile Pattern upper 16" 4150 chrome moly barrel Carbine length gas system Chambered in 8.6 Blackout 1:10 Twist...

Grid Defense 16" 8.6 Blackout Billet Upper - Burnt Bronze Billet DPMS High Profile Pattern upper 16" 4150 chrome moly barrel Carbine length gas system Chambered in 8.6 Blackout 1:10 Twist...

Grid Defense 16" 8.6 Blackout Billet Upper - Black Billet DPMS High Profile Pattern upper 16" 4150 chrome moly barrel Carbine length gas system Chambered in 8.6 Blackout 1:10 Twist...

Grid Defense 16" 8.6 Blackout Billet Upper - FDE Billet DPMS High Profile Pattern upper 16" 4150 chrome moly barrel Carbine length gas system Chambered in 8.6 Blackout 1:10 Twist Rate 5/8x24...

Grid Defense AR-15 80% Lower Receiver With Optional Fire/Safe Engravings Machined from 7075-T6 Aluminum Forging Flared and broached magazine well Rear upper lug pocket cut out Fits all mil-spec...

Grid Defense Billet AR-15 80% Lower Receiver - Raw Machined from 6061-T6 Billet Aluminum Made in house in the USA Flared and Broached Magwell Raw Aluminum Finish Optional Fire/Safe and...

Grid Defense 9mm Lower Parts Kit Ejector 2 Ejector Set Screws Magazine Release Button Magazine Release Button Roll Pin Magazine Release Spring IF YOU PURCHASE A GRID DEFENSE 9MM 80% LOWER...

BLEM GRID DEFENSE BILLET AR-10 STRIPPED UPPER RECEIVER - BLACK  High Profile DPMS Pattern 6061 Billet Aluminum Anodized Black Finish Made in the USA Uppers have cosmetic imperfections...

Grid Defense AR-15 80% Lower Receiver 3 Pack - Raw Includes 3 Raw No Fire/Safe 80% Lower Receivers Machined from 7075 Forged Aluminum Made in house in the USA Flared and Broached Magwell Raw...

Grid Defense AR-15 80% Lower Receiver With Optional Fire/Safe Engravings Machined from 7075-T6 Aluminum Forging Flared and broached magazine well Rear upper lug pocket cut out Fits all mil-spec...

Grid Defense AR-9 80% Lower Receiver - Tungsten Gray Finished in Tungsten Gray Cerakote Machined from 6061 billet aluminum Compatible with any Glock style small frame pistol calibers Compatible...

Grid Defense AR-9 80% Lower Receiver - OD Green Finished in OD Green Cerakote Machined from 6061 billet aluminum Compatible with any Glock style small frame pistol calibers Compatible with...

Grid Defense AR-9 80% Lower Receiver - Burnt Bronze Finished in Burnt Bronze Cerakote Machined from 6061 billet aluminum Compatible with any Glock style small frame pistol calibers Compatible...

Grid Defense AR-9 80% Lower Receiver - FDE Finished in Magpul FDE Cerakote Machined from 6061 billet aluminum Compatible with any Glock style small frame pistol calibers Compatible with Glock...